OnGuard 8010LM Lean & Mean 115mm x 230mm Key U-Lock

Double bolt locking mechanism delivers up to 10 tons of pull strength DOUBLE LOCKING design similar to the premium KRYPTONITE EVOLUTION series but at 1/3 the price! 9" x 4.5" (115mm x 230mm) 11mm Ultra-hardened steel shackle resists bolt cutters and leverage attacks Reinforced cuff over crossbar and cylinder for added security Improved high security, disc-style lock cylinder 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 $501 Anti-theft Protection (check onguardlock.com for details)