Professional Tool EWK automatic transmission clutch spring compressor is designed to relieve and install the snap spring easily. It applies pressure to the clutch drums retaining washer to compress piston return springs. Easy to Use Simply install the clutch spring compressor in position, and turn the knob to place pressure on the spring cage until it gives you enough space to release the snap ring during repairs. Get the difficult job done in just minutes Heavy Duty This transmission spring compression tool constructed of durable A3 steel with coating rustproof grease on the processed surface, to ensure corrosion resistance and rust proof for long time use. Wide Applications The transmission clutch removing installing tool with adjustable legs and screws fits most American cars and light trucks such as Ford Crown Victoria, Ranger, Focus, Mercury Grand Marquis, Lincoln Town Car, Chevrolet Low Cab Forward and more. 126 MonthDurable products backed by an extraordinary 126 months warranty.