... processed shackle, anti-cut, waterproof, corrision resistant,alarm under water. Motorcycle disc lock (alarm disc lock, disc brake lock, disc lock, motorcycle alarm lock, alarm lock).Auto Push down locking system.Alarmed.Removable ... scratching.Hardened shackle .Hot processed.Hardened zinc body.POWERDER FINISH.Lock pin diameter: 7mm59(H)X93(W)X32.5(D)MMNOTES ...