Reinforced design Stapler style disc lock immobilizes vehicle to prevent roll-away or ride-away theft Dual-reinforced, high security disc-style cylinder 5mm pin diameter fits smaller vent holes Includes bright orange reminder cable to prevent riding away while disc lock is engaged Compact, lightweight and weatherproof Includes 2 new stainless steel "I" keys that are more ergonomic and reduce the amount of torque to keep them from bending or breaking Rotor Dimensions: 1.63" maximum distance for disc rotor insertion, .24" maximum disc rotor thickness to insert lock, .21" disc locking pin thickness