Material: Carbon Steel (Plier) / Strong Spring Steel (Compressor) . carbon steel for corrosion resistance and comfortable vinyl-dipped handles.

Size: 3 inch piston ring compressor: 53mm – 175mm; 4 inch piston ring compressor: 60mm – 175mm??6 inch piston ring compressor: 60mm – 195mm

Piston Ring Compressor and piston ring pliers.Piston ring disassembly process, expanding the piston rings.– Piston installer plier used for installs and removes piston rings; Easy to use, safe and reliable.

Perform engine rebuilds and use this compressor for proper installation of the piston and rings in the cylinder without twisting or damaging parts; Perfect fit on the piston and a positive locking action to compress rings and allow installation of pistons into cylinders

We offer a 6 month warranty . The warranty starts from the date of the original purchase. We are happy to replace any faulty items with a new one. 1 click refund for our valued customers in 3month.If you are satisfied with the parts,please leave us your approval mark.
Function: Perform engine rebuilds and use this compressor for proper installation of the piston and rings in the cylinder without twisting or damaging parts; Perfect fit on the piston and a positive locking action to compress rings and allow installation of pistons into cylinders
3 inch piston ring compressor: 53mm – 175mm4 inch piston ring compressor: 60mm – 175mm6 inch piston ring compressor: 60mm – 195mm
Wide Application: It is small enough to be used in small engines, such as push mowers and riding mowers, and large enough to be used in pistons of machine tractors.