Material: hardened steel. Chain size: 1. 64 FT / Diameter 8 mm (6 x 500 mm). 50mm wrapped steel padlock with 4 keys. Color: sliver. Weight: 830 g. The 8 mm chain is made of high-strength tempered manganese steel, with higher hardness. Anti-saw and anti-shear, more safety. Anti-rust coating on the surface of the chain, anti-corrosion and anti-rust. 50mm covered beam padlock, sheathed steel padlock with 4 keys. Super anti-drill design, anti-damage, high security performance. The chain lock is a perfect solution to protect your bicycle and motorcycle, ATV or other valuables from theft. for motorcycles, bicycles, garages, sheds, outdoor gates, warehouses, doors, storage, indoor and outdoor use, provides security for hard to lock up belongings.