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 Sold in pairs Sold in clamshell blister packaging Shipping Weight - 7.4 lbs.