【Function】: This brake piston compressor wrench is mainly used to push back the brake piston, replace the brake pads, repair and install the car brake cylinder, it is an essential automotive gadget for garage and personal repairs, very practical. 【Application】: It is suitable for single-piston, dual-piston and four-piston floating calipers, as well as most vehicles with fixed or floating calipers. It can distribute force evenly to each piston quickly and easily. 【Material】: Our brake piston compressor wrench is made of carbon steel, which is strong, corrosion-resistant and sturdy. 【Easy to Use】: It can be adjusted back and forth for quick disassembly and assembly. It can rotate 360 degrees, allowing the spreader to be placed in any position. Even if it is difficult to get in and out, you can easily find the right angle to insert the tool into the brake caliper. 【Dimensions】: The brake piston compressor wrench measures 27*6*4cm, made with reference to the mainstream size on the market,