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
Lifetime Warranty