Kryptonite Evolution Series 4 Integrated Chain Key 10mm 4in 8.6`/

10mm six-sided chain links made of 3T manganese steel . Patent pending end link design secures chain to hardened deadbolt . Patented, reinforced oval crossbar lockhead . High security disc-style cylinder is pick and drill resistant . Sliding dustcover protects and extends cylinder life . Durable, weather resistant nylon sleeve prevents scratches . 3 stainless steel keys plus Key Safe Program for replacement keys . Lifetime warranty . Anti-Theft Protection Offer: with a paid registration, registered owners can be reimbursed in the event of theft due to the opening or breaking of the lock by force

• Kryptonite security levels: 1 (Low) - 10 (High)
• 10mm six-sided chain links made of 3t manganese steel
• Weather resistant nylon sleeve prevents scratches to painted finishes
• Pin-less link design secures chain to hardened deadbolt
• Includes 3 keys: 2 new `I` keys and one with a high-intensity LED light