ITEM NAME:1 Set Piston Ring Compressor Installer Ratchet Plier Remover Expander Engin C8M8 1 Set Piston Ring Compressor Installer Ratchet Plier Remover Expander Engin C8M8 Makes it easier to install piston rings. Sprung mechanism for fine control Piston ring disassembly process, expanding the piston rings, easy to use, safe and reliable. 3-inch piston ring compression tool for 3-inch tools: expansion range: 53MM-150MM live Ring height: 75MM Simple piston ring pliers Piston ring compressor Throat clamp Pneumatic ring clamp Clamp Piston ring range; 40-60MM colour: Silver + Black Material: Iron + plastic Package Contents: 1 * Piston Ring Plier 1 * Piston Ring Compressor 1 * Wrench