Sealey-SMC16-Motorcycle-Piston-Ring-Compressing-Tool-Sealey-SMC16-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-40-85mm-Will-fit-most-engine-sizes-Sealey-SMC16-Motorcycle-Piston-Ring-Compressing-Tool