Features 2 of our most popular spring compressors packed in a heavy-duty molded case.; ATD-7585 Master MacPherson Strut Tool; Broad spring contact; ACME threaded rod; Built-in detent pins to help lock the coil in place; Designed to compress most sizes of MacPherson strut springs; Allows quick compression of the coil spring to replace the shock absorber or spring set; Also allows for repairs on bent struts, strut tubes and damaged pieces; Forged construction for repetitive use; ATD-7549 Coil Spring Compressor; Compresses coil springs for installation and removal of springs and spacers; Strong steel jaws securely hook into coil spring; Fits most American and some imported cars and light trucks; Does not work on AMC and Ford with upper coil spring