On Guard Boxer 8052 Disc Lock Features: Wedge shaped motorcycle brake disc lock 8mm or 10mm locking pin (verify clearances before ordering) Disc locks fit in the larger openings in the mid-section of the brake disc Not designed to fit in small vent holes in the brake part of the disc Pin interlocks at bottom of lock for extra security Stapler-style disc lock featuring HD lock system Convenient one-hand operation Pick, pull and drill resistant Z-cylinder locking mechanism Hardened steel pin secures lock to disc Includes disc lock reminder cable and carrying pouch Throat depth: Maximum distance allowed from edge of disc to large opening is 2-1/8