DetailsLiberty Disc:~ 2.2" x 2.3" (26mm x 58mm). 14mm hardened MAX-Performance steel shackle resists bolt cutters and leverage attacks. Double deadbolt locking for extensive holding power. Dual layer steel crossbar for maximum security. Sliding dust cover protects and extends cylinder life. Includes carrying pouch and disc lock reminder. 3 keys - one lighted with high intensity bulb & replaceable battery.