Features: Crafted from 3t Hardened Manganese Steel, the 14mm six - sided chain links offer ultimate strength. A durable, protective nylon cover with hook - n - loop fasteners stays in place. It comes with a maximum security New York Disc Lock featuring a 15mm Max - performance Steel Shackle. The patented, oval hardened Steel Crossbar adds extra security. Hardened Double Deadbolt locking provides extensive holding power. The High Security Disc - style Cylinder has a reinforced anti - drill, anti - pull protection system, and a sliding dustcover to protect and extend its life. You'll get 3 Stainless Steel Keys, one with a high - intensity lighted bulb and a replaceable battery, along with a Key Safe Program. Specifications: Chain length is 150cm (5'), shackle diameter is 15mm, and it weighs 6.92 kg (15.25 lbs).

Using this chain is easy. First, wrap the chain around the object you want to secure. Then, use the New York Disc Lock to lock the chain. Insert one of the stainless - steel keys into the disc - style cylinder to unlock it. One of the keys has a lighted bulb, which is handy in the dark. Just replace the battery when it runs out. When it comes to maintenance, keep the chain and lock clean. Wipe off any dirt or moisture regularly. Avoid exposing the chain to extreme temperatures or harsh chemicals. Store it in a dry place when not in use. Also, be careful not to force the lock as it may damage the anti - drill and anti - pull protection system.