MAKE SURE YOU GET THE ONE FOR YOUR KEY STYLE

Opens with your vehicles ignition key eliminating extra keys on your ring; Works with center cut Chevy, GMC, Buick & Cadillac keys
Stainless Steel 5/8" diameter pin for use with Class 3, 4, and 5 hitches (2 to 2.5" Receiver)
Auto-Return spring locks automatically when key is removed
Stainless steel lock shutter to keep out dirt and moisture, plate tumbler sidebar to prevent picking and bumping, double ball bearing locking mechanism
Limited Lifetime Warranty