Kryptonite, 000853, Keeper 785 Integrated Chain Lock, 33.5", 2.8', 85cm, The Keeper features a hardened deadbolt that provides extra holding power when subjected to leverage attacks. Security Rating: 5 out of 10High security disc-style cylinder is pick and drill resistantEnd pin-link design secures the chain with the hardened deadbolt7mm, 4-sided chain links made of 3t manganese steel Includes 2 standard, stainless steel "I" keysKey Safe Program$500 anti-theft protection offer free for one year (registration required; option for up to 3 years total) Item Specifications: No Bracket Incuded, Length - 85cm, Lock Style - Chain, Keyed.