Evolution Series 4 1016 Chain Lock

The Kryptonite Evolution Series 4 1016 Chain Lock is a 10mm six-sided chain made from 3T Manganese steel, ensuring a very high level of security (8/10 security rating). The patent-pending End Link Design secures the chain to a hardened deadbolt, eliminating critical vulnerability. The high security disc style cylinder is pick and drill resistant with a sliding dust cover to protect and extend cylinder life. 3 stainless steel ergonomic keys are included, one with an integrated led light.