**Product Description: Precision Valve Adjustment Hand Tool Kit for Motorcycles and ATVs** - **Functionality**: This hand tool kit is specifically designed to allow micro adjustments without disturbing the locknut. Once the correct clearance is achieved, the locknut can be securely tightened, ensuring precise and reliable valve adjustments every time. - **Driver Design**: The square type driver features a knurled handle, providing a secure and comfortable grip. The rough surface enhances pressure when grasping, making operations smoother and more efficient, especially in tight or awkward spaces. - **Comprehensive Package**: The kit includes two locknut sockets (8mm and 9mm) and one 3mm square type driver. This comprehensive set simplifies your repair tasks, making it easier to perform precise adjustments on a variety of vehicles. - **Easy Operation**: Use a 12mm wrench (not included) to hold the locknut socket in place while the square type driver loosens or tightens the valve adjustment screw. This straightforward process ensures accurate adjustments with minimal effort. - **Durable and Practical**: Constructed from high-strength chrome vanadium steel, this tool kit boasts strong hardness and durability. It is resistant to bending and breaking, making it suitable for most motorcycles and ATVs with screw type tappet adjustments. Upgrade your repair toolkit with this precision valve adjustment hand tool kit. Its durable construction, ergonomic design, and comprehensive package make it an essential tool for any mechanic or enthusiast looking to perform accurate and efficient valve adjustments.