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FEDERAL BUREAU OF INVESTIGATIONGUIDE TO CONCEALABLE WEAPONS
2003
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FORWARDIn the wake of the September 11, 2001, airline hijackings the FIREARMS AND TOOLMARKS UNIT of the FBI LABORATORY has started a collection of small and easily concealed knives. This is the first installment of a continuing effort to collect and distribute information on knives that otherwise may be dismissed as non threatening items. Many of the knives in this collection were commercially purchased and typically can be bought for less than $20. Some of these knives are common items found in most homes and offices. You will notice also that some are made of a plastic material, making them less likely to be considered a weapon. Each of these tools was designed to cut and is fully functional in that respect. Whether used to cut paper, cardboard, or other material, these knives should be treated as potentially dangerous weapons. Each knife is shown with an accompanying scale for size reference and many include an X-ray photograph to show how these weapons might appear if placed in luggage and passed through a scanning device.
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KEY KNIFE
ASPMADE IN JAPAN
COMPOSITION: METAL
NOTE: LOOKS LIKE AN OVERSIZED KEY. STORED INSIDE IS A BLADE AND A HANDCUFF KEY.
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KEY
MANUFACTURER: UNITED CUTLERYMADE IN ITALY
COMPOSITION: METAL
NOTE:APPEARS TO BE A KEY WHEN PLACED ON A RING WITH OTHER. BLADE FOLDS OUT FROM END OF KEY.
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KEY
MANUFACTURER: SWISS-TECHMADE IN USA
COMPOSITION: METAL
NOTE:APPEARS TO BE A KEY WHEN PLACED ON A RING WITH OTHERS. OPENS IN A �SCISSORS-LIKE� FASHION TO EXPOSE KNIFE BLADE, SERRATED BLADE, AND FLAT/ PHILLIPS HEAD SCREWDRIVERS.
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BOWEN BELT KNIFE
MANUFACTURER: BOWEN KNIVES MADE IN USA
COMPOSITION: METAL BLADE WITH LEATHER BELT
NOTE: BLADE IS HIDDEN INSIDE OF BELT, ONLY THE BUCKLE �HANDLE� IS SEEN.
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BELT KNIFE
MANUFACTURER: C.A.S. IBERIA, INC.MADE IN USA
COMPOSITION: LEATHER AND METAL
NOTE: LOOKS LIKE AN ORDINARY BELT. BUCKLE, BUCKLE STORES A KNIFE WHICH CAN BE PULLED OUT, EXPOSING BLADE.
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TOUCHE� BELT BUCKLE
MANUFACTURER: GERBERMADE IN USA
COMPOSITION: METAL
NOTE: THE KNIFE BLADE FOLDSUNDER THE HANDLE WHICH CAN BE STORED IN THE FRONT OF THE BELT BUCKLE.
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BELT KNIFE
MANUFACTURER: VALOIS KNIVESMADE IN USA
COMPOSITION: METAL
NOTE:APPEARS AS ANORMAL BELT.THE �BUCKLE� PULLS FROMTHE BELT TO EXPOSE THE BLADE. COMES INVARIOUS STYLES.
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NECKLACE KNIFE
MANUFACTURER: KAICUT KNIVES, MODEL MOKI MADE IN GERMANY
COMPOSITION: STAINLESS STEEL WITH A DECORATIVE INLAY
NOTE: MAY BE WORN AS A NECKLACE OR CARRIED AS A KEY CHAIN.
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KEY RING KNIFE
MANUFACTURER: MAREXMADE IN KOREA
COMPOSITION: PLASTIC AND METAL
NOTE: LOOKS LIKE A KEY RING, BUT HOUSES A BLADE, SCISSORS AND FLASHLIGHT.
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KEY RING KNIFE
EKAMADE IN SWEDEN
COMPOSITION: PLASTIC AND METAL
NOTE: LOOKS LIKE A KEY RING, BUT HOUSES A BLADE AND BOTTLE OPENER.
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PUSH DAGGER
MANUFACTURER:UNITED CUTLERYMADE IN TAIWAN
COMPOSITION:PLASTIC SHEATH AND HANDLE WITH METAL BLADE
NOTE:SHEATH HAS A CLIP ALLOWING IT TO BE WORN ON BELT, BOOT, OR POCKET. ALSO COMES WITH LANYARD TO WEAR AROUND NECK OR POSSIBLY USE AS A KEY CHAIN.
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LEAF KNIFE
MANUFACTURER:UNKNOWNMADE IN USA
COMPOSITION: PLASTIC AND METAL
NOTE:�LEAF� OPENS TO EXPOSE KNIFE BLADE. COMES IN AN ALL -STAINLESS MODEL �LEAF�. CAN ALSO BE WORN ON NECK CHAIN OR AS A KEY RING.
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KUBATON
MANUFACTURER:UNITED CUTLERYMADE IN TAIWAN
COMPOSITION: METAL
NOTE:STYLES VARY BY MANUFACTURER.
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KEY RING KNIFE
MANUFACTURER: ZELCOMADE IN USA
COMPOSITION: METAL BLADE WITH TWO-PIECE PLASTIC HANDLE
NOTE: CAN BE USED AS A KEY RING OR WORN ON A NECK CHAIN.
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CRUCIFIX KNIFE
MANUFACTURER: UNKNOWN
COMPOSITION: NON MAGNETIC CROSS WITH METAL BLADE AND KEY CHAIN.
NOTE: CAN BE USED AS A KEY CHAIN OR NECKLACE.
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NASCAR HELMET KNIFE
MANUFACTURER; ACTION RACING COLLECTIBLESMADE IN CHINA
COMPOSITION:PLASTIC CASE WITH METAL KNIFE BLADE.
NOTE:COLORS AND STYLES VARY DEPENDING ON THE NASCAR THEME.
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NINJA KEY RING
MANUFACTURER:UNKNOWNMADE IN USA
COMPOSITION: METAL
NOTE: IMPACT TOOL.
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PEPPER SPRAY KEY RING
MANUFACTURER:UNKNOWNMADE IN BRAZIL
COMPOSITION: TUBULAR METAL BODY WITH METAL RING
NOTE: EJECTS RED PEPPER SPRAY.
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COIN
MANUFACTURER:UNITED CUTLERYMADE IN TAIWAN
COMPOSITION:METAL
NOTE:APPEARS TO BEA NORMALSILVER DOLLAR KEY CHAIN. THIS KNIFE MAY VARY IN STYLE AND BLADE TYPES.
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DELTA PEN
MANUFACTURER: UNKNOWNMADE IN ?
COMPOSITION: METAL
NOTE: LOOKS LIKE AN INK PEN WHICH CAN BE OPENED TO EXPOSE A KNIFEBLADE.
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EXECUTIVE PEN
MANUFACTURER: UNKNOWNMADE IN USA
COMPOSITION: METAL
NOTE: LOOKS LIKE A PEN WHICH CAN BE OPENED TO EXPOSE A KNIFE BLADE. COMES IN VARIOUS SIZES.
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AUTO-SPIKE
MANUFACTURER: S.W.A.T.MADE IN USA
COMPOSITION: METAL SPIKE WITH METALHANDLE
NOTE: SPRING LOADED SPIKE DEPLOYED BY AUTO RELEASE.
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WALKER SWORD
MANUFACTURER: UNKNOWNMADE IN USA
COMPOSITION: METAL
NOTE: LOOKS LIKE AN ORDINARY WALKING CANE. EXPANDABLE SHAFT CAN BE REMOVED FROM HANDLE PORTION TO EXPOSE KNIFE BLADE.
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THE SHAFT OF THIS CANE IS REMOVED TO EXPOSE THE KNIFEBLADE. THE BLADE COULD ALSO BE FITTED IN A WALKER/CRUTCH.
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CANE SWORD
MANUFACTURER: MADE IN USA
COMPOSITION: METAL
NOTE: LOOKS LIKE AN ORDINARY CANE. HANDLE UNSCREWS TO EXPOSE KNIFE BLADE.
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THE HANDLE OF THE CANE IS REMOVED TO EXPOSETHE KNIFE BLADE.
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SWORD UMBRELLA
MANUFACTURER:ATLANTA CUTLERYMADE IN USA
COMPOSITION:METAL AND PLASTIC
NOTE:APPEARS AS A NORMAL FOLDING UMBRELLA,HANDLE PULLSFREE TO EXPOSEA 10-INCH STEELSPIKE.
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CARBON FIBER KNIFE
MANUFACTURER: UNKNOWNMADE IN USA
COMPOSITION: PLASTIC
NOTE: ALL PLASTIC MAKING THIS �INVISIBLE� TO AMAGNATOMETER.
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TOOL CARD
MANUFACTURER:UNKNOWN
COMPOSITION: PLASTIC WITH METAL KNIFEBLADE
NOTE:MAGNIFYING GLASS, TWO SCREWDRIVERS AND FLASHLIGHTDESIGNED TO BE THE APPROX-IMATE SIZE OF A CREDIT CARD THAT CAN BE CARRIED IN A POCKET.
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BULLET (CARTRIDGE) KNIFE
MANUFACTURER: UNITED CUTLERY MADE IN ITALY
COMPOSITION: METAL BLADE INSIDE OF CARTRIDGE
NOTE: LOOKS LIKE A CARTRIDGE FOR A HANDGUN. HEADSTAMP READS �30-06 SPRG�.
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BOX CUTTER
MANUFACTURER: UNKNOWNMADE IN USA
COMPOSITION: METAL RAZOR BLADE WITH METAL HANDLE.
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CERAMIC KNIFE
MANUFACTURER: KYOCERA,MADE IN JAPAN
COMPOSITION: CERAMIC BLADE WITH PLASTIC HANDLE
NOTE: CERAMICANDPLASTIC; MAKING IT �INVISIBLE� TO A MAGNATO-METER.
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CERAMIC FOLDING KNIFE
MANUFACTURER: BOKER KNIVES, MODEL GAMMAMADE IN GERMANY
COMPOSITION: PLASTIC CASE WITH CERAMIC BLADE AND METAL RIVETS AND LINER LOCK
NOTE: MINIMAL AMOUNT OF METAL MAKES THIS KNIFE �INVISIBLE� TO A MAGNATOMETER.
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FOLDING KNIFE
MANUFACTURER: COAST KNIVESMADE IN TAIWAN
COMPOSITION: METAL BLADE AND HANDLE
NOTE: SMALL FOLDING KNIFE WITH POCKET/MONEY CLIP.
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DOUBLE -HANDED DAGGER
MANUFACTURER:UNKNOWN MADE IN ?
COMPOSITION: METAL BLADE WITH PLASTICHANDLE
NOTE: CAN BE WORN ON BELT OR WITH WRIST/ANKLE STRAP.
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TOOL CARD
MANUFACTURER: UNKNOWN
COMPOSITION: PLASTIC CASE WITH METAL KNIFE BLADE, MAGNIFYING GLASS, TWO SCREWDRIVERS, AND FLASHLIGHT
NOTE: DESIGNED TO BE THE APPROXIMATE SIZE OF A CREDIT CARD THAT CAN BE CARRIED IN A POCKET.
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DUO KNIFE
MANUFACTURER: SOGMADE IN JAPAN
COMPOSITION: REVERSIBLE METAL BLADE WITH PLASTIC HANDLE
NOTE: PLASTIC HANDLE FOLDS TO EXPOSE EITHER PLAIN OR SERRATED EDGE OF REMOVABLE KNIFE BLADE.
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FLIP KNIFE
MANUFACTURER: FLIP-ITMADE IN USA
COMPOSITION: PLASTIC AND METAL
NOTE: KNIFE BLADE IS DEPLOYED BY LIFTING HANDLE INSERT, SLIDING IT FORWARD, AND FLIPPING IT OVER TO LOCK THE BLADE IN PLACE.
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PUSH DAGGER
MANUFACTURER: UNKNOWNMADE IN ?
COMPOSITION: PLASTIC
NOTE: ALL PLASTIC, MAKING THIS �INVISIBLE� TO A MAGNATOMETER.
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LETTUCE KNIVES
MANUFACTURER:UNKNOWNMADE IN ?
COMPOSITION: PLASTIC
NOTE:INEXPENSIVE SET OF THREEVARIOUS-SIZED KNIVES WHICH ARE �INVISIBLE� TO A MAGNATOMETER.
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LIGHTER KNIFE
MANUFACTURER: UNKNOWNMADE IN ?
COMPOSITION: METAL
NOTE: WORKING LIGHTER THAT DEPLOYS A KNIFE BLADE BY ACTIVATION OF A BUTTON ON THE SIDE.
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LIGHTER KNIFE
MANUFACTURER: UNKNOWNMADE IN ?
COMPOSITION: METAL
NOTE: WORKING LIGHTER THAT DEPLOYS A KNIFEBLADE BY ACTIVATION OF A BUTTON ON THE SIDE.
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LIGHTER KNIFE
MANUFACTURER: HOWELLMADE IN KOREA
COMPOSITION: METAL
NOTE: WORKING LIGHTER THAT STORES A KNIFE BLADE, NAIL FILE, AND SCISSORS.
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CIGARETTE LIGHTER KNIFE
MANUFACTURER:UNKNOWNMADE IN ?
COMPOSITION: METAL KNIFEBLADE IN METAL CASE HANDLE
NOTE: THIS WORKING LIGHTER CONCEALS AN AUTOMATIC KNIFE.
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TOOL CARD/MONEY CLIP
MANUFACTURER: UNKNOWNMADE IN USA
COMPOSITION: PLASTIC AND METAL
NOTE: THIS MONEY CLIP STORES A BLADE, TWO SCREWDRIVERS,AND A FLASHLIGHT.
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PLASTIC FOLDING KNIFE
MANUFACTURER: MEYERCOMADE IN USA
COMPOSITION: PLASTIC AND METAL
NOTE: THE KNIFE IS ALL-PLASTIC CONSTRUCTION, EXCEPT FOR A SMALL SPRING TO ASSIST IN OPENING
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CARD KNIFE
MANUFACTURER: UNKNOWNMADE IN USA
COMPOSITION: PLASTIC AND METAL
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CARD KNIFE
MANUFACTURER: EDGE-TEKMADE IN USA
COMPOSITION: PLASTIC AND METAL
NOTE: BLADE SLIDES OUT OF HANDLE.
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MONEY CLIP KNIFE
MANUFACTURER: ZIPPOMADE IN USA
COMPOSITION: METAL
NOTE: MONEY-CLIP HOUSES A KNIFE BLADE AND NAILFILE.
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OBSIDIAN KNIFE
MANUFACTURER: THESE KNIVES ARE CUSTOM MADE
COMPOSITION: OBSIDIAN BLADE WITH A BONE HANDLE
NOTE: THEREIS NO METAL USED IN THIS KNIFE,MAKING IT �INVISIBLE� TO A MAGNATOMETER.
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OFFICE COMPANION
MANUFACTURER: MADE IN USA
COMPOSITION: PLASTIC AND METAL
NOTE: LOOKS LIKE AN INK PEN WHICH CAN EJECT PEPPER SPRAY.
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INK PEN KNIFE
MANUFACTURER: VICTORINOXMADE IN SWITZERLAND
COMPOSITION: METAL BLADE WITH PLASTIC HANDLE
NOTE: KNIFE BLADE, NAIL FILE, SCISSORS, AND FLASHLIGHT ALL STORED IN PEN HANDLE. PEN LOOKS LIKE A RIFLE CARTRIDGE.
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RAZOR KNIFE
MANUFACTURER: X-CALIBREMADE IN ?
COMPOSITION: ALL METAL
NOTE: LOOKSLIKE AN INK PEN. PUSH BUTTON DEPLOYS BLADE.
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INK PEN KNIFE
MANUFACTURER:UNKNOWN MADE IN USA
COMPOSITION: METAL
NOTE: LOOKS LIKE AN INK PEN. KNIFE BLADE FOLDS IN THE SIDE OF THE PEN.
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INK PEN PEPPER SPRAY
MANUFACTURER: UNKNOWNMADE IN USA
COMPOSITION: PLASTIC AND METAL
NOTE: LOOKS LIKE AN INK PEN WHICH CAN EJECT PEPPER SPRAY.
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Xray of PENKNIFE with other pens; penknife is the second from the left.
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PEN-TYPE KNIVES IN A POCKET
NOTE: THIS PHOTOGRAPH SHOWS THE PROFILE OF THE VARIOUS PENKNIVES WHENCARRIED IN A POCKET.
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PLASTIC SPIKE
MANUFACTURER:UNKNOWNMADE IN ?
COMPOSITION: POLYMER/PLASTIC
NOTE: ALL-PLASTIC SPIKE (DAGGER), MAKING IT �INVISIBLE� TO A MAGNATOMETER.
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PLASTIC RAZOR BLADES
MANUFACTURER:UNKNOWNMADE IN CHINA
COMPOSITION: PLASTIC
NOTE: SAME SIZE AS STANDARD RAZOR BLADES. ALL PLASTIC, MAKING IT �INVISIBLE� TO A MAGNATOMETER.
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BOX CUTTER KNIFE
MANUFACTURER: OLFAMADE IN JAPAN
COMPOSITION: METAL RAZOR BLADE WITH PLASTIC HANDLE
NOTE: RAZOR BLADE SLIDES OUT OF HANDLE.
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RAZOR KNIFE
MANUFACTURER: UNKNOWNMADE IN TAIWAN
COMPOSITION: METAL RAZOR BLADE WITH PLASTIC HANDLE
NOTE: RAZOR BLADE SLIDES OUT OF HANDLE.
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BULLET (CARTRIDGE) KNIFE
MANUFACTURER: UNITED CUTLERYMADE IN ITALY
COMPOSITION: METAL BLADE INSIDE OF METAL CARTRIDGE
NOTE: LOOKS LIKE A RIFLE CARTRIDGE. HEADSTAMP READS �30-06 SPRG�.
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RING KNIFE
MANUFACTURER BATESMADE IN USA
COMPOSITION: METAL BLADE WITH RING
NOTE: BLADE ATTACHED TO A RING. COMMONLY USED TO CUT STRINGS ON PACKAGES AND HAY BAILS.
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SHUCKRA
MANUFACTURER:UNKNOWNMADE IN ?
COMPOSITION: METAL
NOTES: BY LOCKING THE HANDLE, PUTTING ON AN INTERNAL WIRE, THIS DEVICE BECOMES TAUT AND MAY BE USED AS A SPIKE.
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SHOTSHELL KNIFE
MANUFACTURER: UNITED CUTLERYMADE IN ITALY
COMPOSITION: METAL BLADE INSIDE PLASTIC SHOTSHELL
NOTE: LOOKS LIKE A SHOTSHELL FOR A SHOTGUN. HEADSTAMP READS �12-GA REMINGTON PETERS�.
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SLIDER KNIFE
MANUFACTURER:UNKNOWN MADE IN USA
COMPOSITION: METAL RAZOR BLADE WITH METAL HANDLE
NOTE: HANDLE LOOKS LIKE A RULER. THE BLADE HAS A LOCK BUTTON WHICH ALLOWS THE KNIFE TO BE DEPLOYED.
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SOG ACCESS CARD
MANUFACTURER: SOGMADE IN JAPAN
COMPOSITION: METAL BLADE AND HANDLE
NOTE: THIS KNIFE HOUSES TWEEZERS, TOOTHPICK, AND STRAIGHT PIN.
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STINGER KEY CHAIN
MANUFACTURER: SHOMER-TECMADE IN USA
COMPOSITION: ALL POLYMER/PLASTIC STRIKING TOOL
NOTE: COMES IN BLACK, BLUE OR CLEAR. ALL-PLASTIC CONSTRUCTION, MAKING IT �INVISIBLE� TO A MAGNATOMETER.
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IMPACT KERAMBIT
MANUFACTURER: SHOMER-TECMADE IN USA
COMPOSITION: ALL POLYMER/PLASTIC
NOTE: THIS IMPACT TOOL IS MADE OF PLASTIC, MAKING IT �INVISIBLE� TO A MAGNATOMETER.
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THROWING CARDS
MANUFACTURER:UNKNOWNMADE IN ?
COMPOSITION: METAL
NOTE: THESE CARDS ARE REGULAR SIZED BUT THEY ARE ALL METAL AND EDGED ONALL SIDES, DESIGNED TO BE THROWN AT A TARGET.
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TITANIUM CHARGE CARD PLUS
MANUFACTURER: SHOMER-TEC MADE IN USA
COMPOSITION: METAL
NOTE: EDGED ON ONE SIDE, THIS CARD IS DESIGNED TO FIT IN YOUR WALLET AS A CREDIT CARD.
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MONEY CLIP
MANUFACTURER: KERSHAWMADE IN JAPAN
COMPOSITION: METAL
NOTE: MONEY CLIP CONCEALS A BLADE, NAIL FILE, AND SCISSORS.
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LIPSTICK
MANUFACTURER: UNITED CUTLERYMADE IN TAIWAN
COMPOSITION:PLASTIC CASE WITH METAL BAND
NOTE:APPEARS TO BE A COSMETIC; BLADE EXTENDS BY SLIDING THE BUTTON ALONG THE SIDE OF THE CASE.
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LIPSTICK
MANUFACTURER: UNITED CUTLERYMADE IN TAIWAN
COMPOSITION:PLASTIC CASE WITH METAL BAND
NOTE:APPEARS TO BE A COSMETICS, BLADE EXTENDS BY TWISTING THE CASE.
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CARD KNIFE
MANUFACTURER:SPYDERCOMADE IN JAPANCOMPOSITION:METAL
NOTE: MANY COMPANIES MAKE CREDIT CARD-SIZED KNIVES, STYLES VARY BY MANUFACTURER.
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PLASTIC KNIFE
MANUFACTURER:LANSKYMADE IN USA
COMPOSITION:PLASTIC
NOTE:KNIVES SIMILAR TO THIS ARE MADE BY OTHER COMPANIES, STYLE OF KNIFE MAY VARY BY MANUFACTURER.
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PENKNIFE
MANUFACTURER:UNITED CUTLERYMADE IN TAIWAN
COMPOSITION:METAL
NOTE:STYLES VARY TO INCLUDE DIFFERENT BLADE STYLES AND CASE COLORS.
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CREDIT CARD STYLE UTILI-TOOL
MANUFACTURER: UNKNOWNMADE IN TAIWAN
COMPOSITION:PLASTIC CASE WITH METAL BLADE
NOTE:INCLUDES A CAN OPENER, SCREWDRIVER, BOTTLE OPENER, WRENCHES, AND A MAGNIFYING GLASS.
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COMB
MANUFACTURER:UNITED CUTLERYMADE IN TAIWAN
COMPOSITION:PLASTIC
NOTE:APPEARS TO BE A NORMAL COMB. HANDLE PULLS FROM HEAD WHICH ACTS AS A SHEATH.
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HAIRBRUSH
MANUFACTURER:UNITED CUTLERYMADE IN TAIWAN
COMPOSITION:PLASTIC
NOTE:APPEARS TO BEA NORMAL HAIRBRUSH. HANDLE PULLS FROM HEAD WHICH ACTS AS A SHEATH.
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BOX CUTTER KNIFE
MANUFACTURER:OLFAMADE IN JAPAN
COMPOSITION:PLASTIC CASE WITH METAL BLADE
NOTE:COLORS AND STYLES VARY.
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THIS CAN SAFE OPENS AT THEBOTTOM TO STOREITEMS INSIDE.
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CA NSAFES
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THIS IS AN EXAMPLE OF A BOOK SAFETHE PAGES ARE ONE SOLID PIECE ANDARE HOLLOWED OUT ON THE INSIDE.
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PAGER PAL HOLSTER
MANUFACTURER: PAGER PALMADE IN USA
COMPOSITION: FAKE PLASTIC �PAGER� WITH LEATHER HOLSTER
NOTE: THIS INSIDE THE PANTS HOLSTER CAN BE USED WITH THE PROVIDED FAKE PAGER OR A REAL ONE. THE HOLSTER CAN ALSO HOLD SMALL FIREARMS AND/OR KNIVES.
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Any information concerning these knives or cutting tools not shown in this booklet can be forwarded to:
FEDERAL BUREAU OF INVESTIGATIONLABORATORY DIVISION
FIREARMS/TOOLMARKS UNIT2501 INVESTIGATION PARKWAY
QUANTICO, VA 22135(703) 632-7225/6
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