BOLT 7018446 5/8" Receiver Lock for late model Buick， Cadillac， Chevrolet， GMC， Hummer， Pontiac and Saturn Keys<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Opens with your vehicles ignition key eliminating extra keys on your ring; Works with late model Chevy， GMC， Buick &amp; Cadillac keys</li><li>Stainless Steel 5/8" diameter pin for use with Class 3， 4， and 5 hitches (2 to 2.5" Receiver)</li><li>Auto-Return spring locks automatically when key is removed</li><li>Stainless steel lock shutter to keep out dirt and moisture， plate tumbler sidebar to prevent picking and bumping， double ball bearing locking mechanism</li><li>Limited Lifetime Warranty</li></ul></div><img src="http://ecx.images-amazon.com/images/I/411qHMX49AL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/318QMD8diLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/419fkDfxR-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21LlmxUCtTS.png">