Handcuff - Solid No Links PRODUCT DETAILS ALL PARTS MADE FROM STEEL (PICKLE IN OIL) WITH INTERNAL PARTS CASE HARDENED. DOUBLE TUMBLER LOCKING SYSTEM. HIGH TENSILE SPRING (56-58 HRC). 13 LOCKING POSITION ON 3 MM THICK RATCHET. HANDCUFF CHEEKS – 2 MM THICK PER SIDE. WEIGHT HANDCUFF – 300G STATIC DIAMETER – 50 MM (CUFF INSIDE DIAMETER). STATIC LOAD APPROXIMATELY 1 500 N (PULLING FORCE). 10 RIVET POINTS (MACHINE RIVETED) NON FOLD-ABLE.