The built in profile allows viewing of the screwdriver blade position for more accurate engagement with the valve studs. Made of quality material, which is and can be applied for a long time, this tool is useful for car enthusiast. The integrated design eliminates the cumbersome use of multiple tools for accurate and easy valve adjustment. Compatible for /for /for and other Japanese automobile engines valve lash adjustment, valves with 10mm clamp nuts. It provides leverage for loosening tight jam nuts, a practical tool in your ., Manufacturer: Akfldms