Kryptonite Keeper 712 Integrated Chain

Features:

• 7mm four-sided chain links made from 3t manganese steel
• 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
• Product dimensions: 47.3" (120cm) chain length
• Product weight: 3.75 lbs (1.70 kgs)