High Quality Tools: Brake caliper piston pusher is made of high hardness vanadium alloy steel, generally between 40 and 50 HRC, it has good wear resistance, 5 to 10 times that of ordinary steel, the head is chrome-plated to improve corrosion resistance, has a long service life. Quality Set: The air brake piston set includes a three-piece set including a main bearing shaft, a top piece and a 4-tooth double-sided chuck, the thickened top piece is not easy to deform and can successfully complete the repair work, the 4-tooth chuck to meet different operations according to your needs. Efficient Use: The brake piston pusher set threads are smooth, saving time and effort in use, efficient and convenient by rotating and adjusting the top plate and the reset piston, it helps you complete the reset work and faster brake pad replacement. Scope of application: Brake caliper piston pusher kit can be used on most cars, trucks, buses, etc. on the market to facilitate the replacement and repair of