Features and Benefits Tips are tapered to make removal easier Heat treated alloy steel unlike competitors versions Easily removes SIR module Fair priced inexpensive Fits most GM cars minivans and light trucks This tool is used to make the release of the SIR module retention springs an easy job! It s used on GM cars Minivans and light trucks. Also it&rsquo-s designed to resist bending on truck retention springs. Don t stress out- when you have this simple tool available!