Features and Benefits: * Fits 1-1/16" switches up to 2-5/8" long, found on newer GM and Chrysler vehicles * Fits 1-1/16" oil pressure sending unit (gauge type), found on most all 91 and newer GM vehicles * Also fits 87 and newer Chrysler vehicles with combination light and gauge oil pressure switches * Use with 3/8" drive or 1-1/8" hex * Skin-packed Shipping wt. 5 oz.