Features: This 10mm nut tool integrates screwdriver and handle to simplifies valves studs positioning without multiple tool. Crafted from corrosion resistant alloy steel with ergonomic side grip, its ensures durability and comfortable operation during prolonged valves grinding. Ideal for professional mechanic and DIYer enthusiasts maintaining vehicles requiring 10mm slotted valves adjustment components. Perfect for garage workshops or roadside repairs where space constrained engine compartments demand specializing valves lapping tool. Streamlines your valves maintenance routine with this solution that combines valves lapping guidance with nut adjustment capabilities. Specifications: Grooved nut valves adjustment tool suitable for automotive engines Component:Metal Size:Approx.21x19.7cm/8.2x7.7inch Package Includes: 1pcs 10mm Valves Grinding Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.