1.Multifunction: The brake caliper press tool is compatible from 1.57 inch to 2.76 inch, works on double and fourpiston fixed calipers, as well as single and twopiston floating calipers, is ideal for automotive brake pump adjustment. 2.Labor Saving: Brake repair brake spreading tool adopts 360 degree ratchet design, it is easy to get into place and use from any direction, also your hands will not get fatigued from the constant squeezing. The ratchet is in the centre of the dual piston brake caliper compressor, the two spreading plates keep parallel, make sure to spread the force on the caliper piston evenly, in case of caliper damage or pistons dislocation. 3.Usefriendly: Swing the long lever handle to expand and retract the spreading plates, and the positive and negative regulation is realized by flipping the reversing switch in the ratchet. Because of ratcheting mechanism, both spreading plates need pressure to start the ratchet, please squeeze them for the first few swing until the suitable size to insert into the calipers, then go ahead to swing. 4.Premium Material: This brake caliper compression automotive tool is made of alloy steel, high strength, not easy to deform, which has corrosion resistance, the red rivet handle conforms to ergonomic design, which is nonslip, comfortable grip, uniform force, will not hurt your hands during use. The bigger spreading plates with buildin small magnets and cylindrical pins, can install and unload quickly and easily from the compressor.