OnGuard 8013 Bulldog Mini 9cm x 14cm Key U-lock

3.55" x 5.52" (9cm x 14cm) 13mm MAX-Performance steel shackle resists bolt cutters and leverage attacks Reinforced cuff over crossbar and cylinder for added security Improved high security, disc-style cyclinder NEW IMPROVED X2 DOUBLE BOLT LOCK MECHANISM (locks both sides, no more weaker bent foot design!) Center keyway defends against leverage attacks Anti-rattle bumpers reduce noise during transport Includes versatile EZ Mount bracket for transportation 5 PICK RESISTANT keys - one lighted with high intensity bulb and replaceable battery WEIGHS UNDER 2 LBS.