- 14mm hardened MAX-Performance steel shackle resists both cutters and leverage attacks - Double deadbolt locking mechanism has extensive holding power - High security, disc-style cylinder with reinforced anti-drill, anti-pull protection system - 3 stainless steel keys--one lighted with high-intensity bulb & replaceable battery - Includes carrying pouch and disc lock reminder - Key Safe Program - Product dimensions: 1.8" x 2.1" (48mm x 54mm) - Product weight: 2.00 lbs (0.91 kgs)