ITEM NAME:Valve Lapper SET Cutting Paste Hand Lapping Tool Cylinders Piston Grinding Description: Ideal for hand lapping small and large head unslotted valves. Make sure valves seat perfectly during a top-end rebulid. Easy-grip handles for better control. Oil and UV-resistant synthetic rubber cups. Specification: Material: Rubber Size:(Approx).Large: 225x35x25mm/88.6x1.38x0.98 Inch Small : 205x18x13 mm/807x0.71x0.51 Inch Package Includes: Pair Engine Valve Lapper Kit SKU: DMO0000601252023812.Pair Engine Valve Lapper Kit. Ideal for hand lapping small and large head unslotted valves. Make sure valves seat perfectly during a top-end rebulid. SKU: DMO0000601252023812.