Kryptonite Evolution Series 4 Disc Lock (Black)

• Disc lock with case-hardened 1/2 inch Kryptonium steel shackle for maximum security
• 14mm hardened MAX-Performance steel shackle resists cutting and leverage attacks.
• Double deadbolt locking mechanism for extensive holding power
• High security, disc style cylinder with more then a million key variations
• Reinforced anti-drill, anti-pull cylinder protection system
• Sliding dustcover protects and extends cylinder life
• 3 keys: one lighted with high intensity bulb and replaceable battery.
• colour: black with white graphics.