Powerbuilt 10mm Jam Nut Valve Adjusting Tool

Makes adjusting valves easier on Honda, Toyota, Nissan, Mazda and other engines with a 10mm jam nut and slotted valve adjusting stud. A view window shows the screwdriver blade position for easier engagement with the valve stud. Unique all-in-one design positively tightens jam nut while preventing stud movement. 7-1/2" long handle provides necessary torque for loosening jam nuts.

• For adjusting valve clearance on Honda, VTEC, Toyota, Nisan and other Japanese vehicle engines
• Fits valves with 10mm jam nut and slotted valve adjusting stud
• Built-in cutaway allows viewing of screwdriver blade position for easier engagement with valve stud
• 7-1/2" side handle provides leverage for loosening tight jam nuts
• Package includes usage instructions and photos