Slotted Valve Adjusting Stud Practical Jam Nut Valve Lash Adjustment Tool UK-

Leverage Effect: The side handle provides a leverage effect for loosening the tightened anti loosening nut. Installation rod length: 21 cm / 8.27 in, width: 3 cm / 1.18 in. 1 x Mounting rod. Key Feature.

eBay