Features:- 16mm hardened MAX-Performance steel shackle resists bolt cutters and leverage attacks- Patented*hardened steel sleeve over crossbar for double security- Double deadbolt locking for extensive holding power- High security disc-style cylinder- Center keyway defends against leverage attacks- Protective vinyl coating- Sliding dustcover protects and extends cylinder life- 3 stainless steel keys – one lighted with high intensity LED bulb & replaceable battery- Key Safe Program Specifications:- Dimensions: 4” x 8” (10.2cm x 20.3cm)- Weight: 4.45 lbs (2.02 kgs)