ITEM NAME:2Pcs Valve Lapper Rubber Suction Cups Valve Grinder Set 35mm 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 Included: Pair Engine Valve Lapper Kit.Pair Engine Valve Lapper Kit. - Make sure valves seat perfectly during a top-end rebulid. - Material: Rubber. - Ideal for hand lapping small and large head unslotted valves. - Size:(Approx).