chian + disc lock , square chain with palstic cover.+ stainless steel disc lock plastic cover heavy duty square chain with stainless steel disc lock , size of padlock from 50MM -90MM,shackle of disc lock: hardenedmaterial of keys: brass.number of keys: 3diameter of chain: 6MM/7MM/8MM//10MM/12MMLength of chain: 60CM/80CM/100CM/120CM or according requirement.clour of plastic cover: blue/red/yellow/ ...