Ergonomic design The ergonomic PVC handle provides a secure grip at the strongest point and keeps the wrist in a neutral position, reducing fatigue and increasing work efficiency. Basic information Piston Ring Mounting Pliers Overall Length: 170 mm (6.7 in) Plier Head Length: 90 mm (3.54 in) Handle Length: 80 mm (3.15 in) Max Opening: 40 mm (1.57 in) Function Designed for convenient and quick removal and installation of piston rings without damaging the piston rings. Makes piston ring assembly easier, more convenient and faster. Product advantages Heat treated for high strength and durability, not easy to bend. Direct replacement for old or broken pliers and time saving. Use scenarios - In automotive engine work for piston ring removal and installation during engine rebuilds or repairs. - During engine assembly to install piston rings quickly and safely. - In professional workshops or field service for routine maintenance tasks requiring piston ring handling.