Features:

• 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
• 7mm x 85cm