The Sealey VS164 Piston Ring Pliers are specialist automotive pliers designed for the precise installation and removal of piston rings during engine rebuilding and maintenance work. Ideal for professional mechanics and automotive engineers working on engine overhauls, these pliers handle piston rings ranging from 1.2mm to 5mm in thickness. The tool features vinyl-gripped handles that provide comfortable control during use, reducing hand fatigue during repetitive tasks. The integrated spring-return mechanism ensures smooth, consistent operation and automatically returns the pliers to the open position, improving workflow efficiency when fitting or removing multiple piston rings. At just 0.09kg, these lightweight pliers offer excellent manoeuvrability in confined engine spaces whilst maintaining the durability required for regular workshop use. Suitable for both petrol and diesel engine applications, they're an essential addition to any automotive toolkit where engine work is undertaken.