Features and Benefits: Strong steel jaws securely hook into coil springs Use on or off the car Acme rod turning screws for strength and accurate adjustmentRemove install and compress coil springs that can be reached through the center of the coil, Smooth bearing action and finest quality heat treated steel makes for safe quick compression, This 2 piece coil spring compressor is ideal for removal and installation of auto and light truck coil springs, SKU: DOBA14224