The only BOLT Cable Lock that will open with your car key. BOLT Cable Locks feature a solid zinc core, automotive grade cylinder with patented 6 plate-tumbler sidebar to prevent picking and bumping, a stainless steel lock shutter to keep out dirt and moisture, and a rugged Santoprene jacket to protect your gear. BOLT Cables are 6' long and 1/4" coated in black vinyl to 5/16" outside diameter, and coil sprung for compact storage. Made in the USA. Limited lifetime warranty.