Eliminates the need for additional keys on your key ring by using your vehicle's ignition key; Compatible with Chevy, GMC, Buick, and Cadillac keys with a center cut.
Features a 2" chrome plated shackle made of hardened steel with a diameter of 5/16".
Includes a stainless steel lock shutter to prevent dirt and moisture, a plate tumbler sidebar to deter picking and bumping, and a double ball bearing locking mechanism.