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Kryptonite's Evolution Series 4 1090 Integrated Chain is a 10mm-thick, six-sided link chain made of triple-heat-treated manganese steel for maximum strength.
Features
10mm six-sided chain links made from Kryptonite’s high-performance 3t manganese steel
Patent-pending integrated Evolution 4 lock head
New patent-pending pin-less link design secures chain to hardened deadbolt with no “weak” links
NEW Patent-Pending Hybrid cylinder design provides higher levels of defense against picking while increasing its ease of use when locking and unlocking (running change)
NEW key fob design with a modular LED replaceable key fob (running change)
$2250 (USD) Anti-Theft Protection offer included in the USA and Canada
Weather-resistant nylon sleeves prevents scratches
Compact coiling for easy carrying
Includes 3 stainless steel keys: 2 “I” keys and 1 with high-intensity LED bulb for use in dark
Lifetime Key Registration & Key Replacement Service available-Key Safe program
8/10 security rating