Low profile design works in confined spaces eliminating the need to remove the radiator. Fits many domestic and some import applications. Jaws are now held in place with a clevis pin and can be removed and replaced easily. Works on Chrysler, GM, Mitsubishi, and Dodge. Most complete tool on the market Improved design to fit more applications. There is now a fourth rod and the jaws have been beefed up to fit Trailblazer, Envoy, Bravada / Colorado, Canyon and other 4.2L applications. Supersedes the 49500.