Feature: 1. 2pcs double‑ended suction cup grinding rods, help you correctly match the gas seat in the high‑end renovation of the engine. These tools include dual‑ends with oil and anti‑UV synthetic rubber cups to help you complete the final moistening of the adjusted. 2. Suitable for lawn mower, chain saws, small or large‑scale engine cars or other 5/8 inch, 13/16 inches, 1‑1 / 18 inches and 1‑3 / 8 inches (1.6 cm, 2.9 cm), 3.5 cm) Valve. 3. The total length of 8.9 inches and 8.3‑inch (22.6 cm and 21.1cm) makes these tools even for mounting and disassembling the embedded fixtures or hard‑to‑reached mini floodlight bulbs. 4. Ergonomic design, easy to hold, high working efficiency. Compact size, lightweight and portable, which is easy to store and carry around. 5. Convenient to use, remove all carbon deposits on the valves and wipe each valve, install the valve in the valve guide, firmly press the correct size suction cup on the valve head, and gently rotate the tool handle between the palms (like Try to start a fire) until a suitable finish is obtained; we recommend placing the valve grinding/grinding compound (not included) on the valve seat or valve surface (keep the compound away from the top surface of the valve to ensure proper inhalation). Specification: Item Type: Valve Grinding Tool Material: ABS + RubberLength: Approx. 22.6cm/8.9in, 21.1cm/8.3in Applicability: The double-head valve grinding rod tool set helps you to correctly match the valve seat during the high-end engine modification process. These tools include double ends with oil and UV resistant synthetic rubber cups to help you finish the finishing touches of the adjustment. Accurate Seat Valve: 2-piece valve manual grinding tool kit-double-ended suction cup grinding rods, 1-1/8in, 1-3/8in, 5/8in, 3/16in. You are correct during the high-end engine renovation Matching valve seats; these tools include double ends with oil and UV resistant synthetic rubber cups to help you complete the finishing touches of the adjustment Application: Suitable for any clean, flat surface of a lawn mower, chainsaw, or small or large engine car or other vehicle with 5/8-inch, 13/16-inch, 1-1/18-inch, and 1-3/8-inch (16mm, 20mm, 29mm, 35mm) valves; 9-inch and 8-inch (22.5cm and 21cm) overall lengths make these tools useful for even installing and removing recessed fixtures or hard-to-reach mini-flood light bulbs. . Package List: 2 x Valve Grinding Tool