Superior protection for medium to high crime areas. X4P Quattro Locking Mechanism for four-sided protection. Hefty 14mm (0.55”) hardened steel TriRadius shackle resists cutting, prying and jacking while giving more internal space for locking versatility. New crossbar and shackle coatings protect finishes. give increased locking versatility for securing bicycles and scooters.  Key Features: All-metal end caps provide additional protection against hits and drops, Automatic keyway covers helps seal lock internals against the elements, Includes 5 laser cut keys, 1 with LED micro torch, Weather resistant keyway, .