PRODUCT INFORMATION AND FEATURES: 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. INDIVIDUALLY PACKED WITH 2 KEYS. 50 PACKETS PER BOX 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