Handcuff - with Chain Link PRODUCT DETAILS ALL PARTS MADE FROM CARBON STEEL WITH INTERNAL PARTS CASE HARDENED. DOUBLE 3 TOOTH TUMBLER LOCKING SYSTEM. CHAIN LINK 1, 3 OR 5 LINKS (CAN BE CUSTOMISED TO LONGER LENGTH) 19 LOCKING POSITION ON 3 MM THICK RATCHET. 12 RIVET POINTS (MACHINE RIVETED) HANDCUFF CHEEKS – 2 MM THICK PER SIDE. HANDCUFFS ARE NICKEL PLATED FOR REINFORCING, SCRATCH AND WEAR RESISTANT. WEIGHT PER HANDCUFF – 320 GRAMS. STATIC DIAMETER – 50 MM (CUFF INSIDE DIAMETER). STATIC LOAD APPROXIMATELY 1 500 N (PULLING FORCE). GALVANIZED SINGLE LOCKING KEYS CHAIN