About this item 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 Product dimensions: 4” x 10.25” (10.2cm x 26cm) 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 Show more