Wide compatible with assembly that remove from the vehicle to transfer the old spring on the new strut, hex-shaped end for a 13/16-inch wrench or socket and allows a 1/2-inch extension for adjustment if the strut is too close to the tool, 11.5-inches threaded rods for 10-inches to 10.5-inches maximum opening to fit jaws to coils (Wide jaws with standard diameter of approximately 6 inches OD front coil springs). threaded rod with broad spring contact and built-in detent pins to lock the coil spring in place for spring compression; threaded rod allows for and smooth compression of springs both on or off the vehicle with hand or power tools. Heavy Duty 11-1/2inch Strut Spring Compressor Tool - Set of 2 (Pair) - MacPherson Spring Compression, 13/16inch Socket 1/2inch Drive to compress the coil spring to replace the unit or spring; For repairs on bent , strut tubes, and damaged pieces; Easy and super-fast setup; Attach the brackets completely onto the spring, tighten, and remove the strut; Lubricate threads with anti-seize compound for prolonged life. Constructed with hooks and center screw hardened for maximum strength and , designed to withstand extreme pressure in any environment, ideal for professional and automotive repair novice., Manufacturer: PokFhgur