Application: To compress piston rings for cylinder installation For trucks, tractor, automobile, racing engines Features: 1. Including: 14 piston rings, 1 pliers and a solid storage box, which can be suitable for different types 2. Easy operation: use this piston ring compression tool set to insert the piston in the fastest way, and allow the piston belt to be compressed in small increments. 3. High quality material: high quality piston ring kit, equipped with pliers made of high quality carbon steel and durable iron. 4. Wide application: used in trucks, tractors, automobiles, diesel engines, racing engines, etc. 5.Usage: Install the correct clamping ring according to the diameter of the piston. Firstly, it is necessary to install the clamp ring onto the body of the brake caliper; Then use the snap ring to fix the installation ring part of the piston, hold the clamp handle, make the piston ring fully enter the groove, and apply a small external force at the same time, finally the