Better Adjustment The coil spring compressor tool could control the rear end compresses coils to the maximum extent, and adjust coil spring for car Better Adjustment The coil spring compressor tool could control the rear end compresses coils to the maximum extent, and adjust coil spring for car Working Principle By turning the nut to unfold or compress the coil spring, the double saddle keeps the coil spring properly aligned, providing additional clearance when adding larger tires 2 Way Adjustable The spring spacer supports spread and compress two ways to use, easy and fast to operate, firmly attached when installed and will not move Superior Quality The coil spring control is made of carbon steel material, which is hard, not easy to break and bend, , and stable. The coil spring control meets or exceeds the standard specifications and strictly follows the factory quality control Practical Accessories The product package contains a total of four spring adjusters, for the loosening or tightening of springs with small shock absorbers. Please confirm whether the product is suitable before purchasing