Designed for durability and ease of use, this valve repair tool features suction plates that ensure a firm hold on engine valves. The pneumatic operation allows for precise control, making it ideal for detailed valve lapping tasks. This tool is essential for anyone looking to maintain their vehicle's engine in top condition. Features -Color:Yellow -Material:Rubber -Size:3.40X3.40X2.70cm/1.34X1.34X1.06in -Tube inner diameter: 6.5 mm -Tube outer diameter: 11.6 mm -Wide compatibility: ideal for both motorcycle and car valve repairs, this tool is a versatile solution for various engine maintenance tasks -Ease of operation: designed for simplicity, this tool allows for easy operation, making valve grinding a easy task for users of all skill levels -Sturdy construction: made with durable materials, this tool offers performance, ensuring it remains a reliable part of your toolkit -Performance boost: by ensuring precise valve grinding, this tool contributes to better engine performance, resulting in improved vehicle efficiency -Pneumatic efficiency: the pneumatic feature enhances the ease of use, making the grinding process faster and more convenient Package list: 8 x grinding tool suction plates