• Used to prevent piston ring damage while inserting pistons into the cylinder head.• Easily removed when cylinder is in place.• Tool supplied with four ring clamps ranging from ø40-85mm.• Will fit most engine sizes.Used to prevent piston ring damage while inserting pistons into the cylinder head. Easily removed when cylinder is in place. Tool supplied with four ring clamps ranging from ø40-85mm. Will fit most engine sizes.• Used to prevent piston ring damage while inserting pistons into the cylinder head. • Easily removed when cylinder is in place. • Tool supplied with four ring clamps ranging from ø40-85mm. • Will fit most engine sizes. • Model No. SMC16Technical Specification:Nett Weight: 0.225kgSmall Ring Clamp: ø40-50mmMedium Ring Clamp: ø50-70mmLarge Ring Clamp: ø60-75mmExtra-Large Ring Clamp: ø75-85mmDimensions: Length: 60mm x Height: 180mmWeight: 0.29KgWarranty: 1 year