Ratchet Disc Brake Caliper Piston Spreader Separator Pad Press Install Tool AUFeatures: Be used on twin and quad piston fixed calipers, as well as single and twin piston floating calipers. centrally located ratchet evenly spreads force in a parallel manner to avoid misalignment of pistons. Ratchet technology gives a full 360 degree swing so that the spreader may be placed at any position. Extended reversing lever allows for easy change from spreading to retracting. Made of high quality 45# steel material, high strength and