Kryptolok Mini-7 w/ 4' CableDescription An ideal choice for urban riders seeking strong protection in a compact form, the KryptoLok Mini7 ULock with 4 KryptoFlex Cable combines robust security and practical flexibility. The 12. 7 mm hardened steel shackle with a patented double deadbolt design resists twisting and leverage attacks. The high security disc style cylinder is both pick and drill resistant and comes with a rotating dust cover to shield it from dirt and moisture.