· 7mm four-sided chain links made from 3t manganese steel
· Patent-pending end link design secures chain to hardened deadbolt eliminating critical vulnerability
· Hardened deadbolt design provides extra holding power
· High security disc-style cylinder is pick and drill resistant
· Includes 2 new ergonomic "I" keys
· Durable weather-resistant nylon sleeve prevents scratches
· Key Safe Program
· Dimensions: 7mm
