The only Receiver Lock that will open with your late model Chevrolet, Cadillac, Buick, GMC, Pontiac, Hummer, or Saturn key. BOLT Receiver Locks have a Stainless Steel 5/8 inch diameter shaft (fits class 3, 4 Hitch).
Auto-Return Spring Automatically Locks When Key Is Removed
Solid Stainless Steel Pin For Durability
6 Plate Tumbler And Sidebar Prevents Picking And Bumping
Automotive Grade Stainless Steel Lock Shutter Keeps Out Weather And Debris