BOLT - CANDADO RECEPTOR PARA MODELO BUICK2, GM TEMPRANOFeatures. The only receiver lock that will open with your car ignition key. Insert your key in the lock and turn it then opens only with that key. Set all your truck trailer and equipment locks to work with one key - Your ignition key. Features 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 jacket and cap. Stainless steel - 58 in.. Diameter shaft fits class 3 4 and 5 hitch. Fits early model buickcadillacchevygmc. Dimension - 14 x 7.5 x 6.5 in.. Item weight - 1.17 lb.*Opens with your vehicles ignition key eliminating extra keys on your ring; Works with early model 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