Kryptonite New York Chain 1217. A 5.5' (170cm) Hexagonal link chain with EV4 disc / padlock.

• 12mm hex chain links made of triple heat-treated boron manganese steel for maximum strength
• Narrow inner width of individual links defends against leverage attacks
• Durable, protective nylon cover
• Includes Evolution series 4 Disc Lock with 14mm MAX-Performance steel shackle
• Double deadbolt locking mechanism for extensive holding power
• New, higher security disc-style cylinder with more than 1 million key variations
• Reinforced anti-drill/pull cylinder protection system
• Sliding dustcover protects and extends cylinder life
• 3 keys - one lighted with high intensity bulb & replaceable battery