The valve adjustment tool adopts an integrated design, and its built-in contour ensures precise engagement with the valve bolt, making the adjustment process smooth. Gap Adjustment Valve Repair Tool Compact and practical, it can easily fit into any toolbox, making it easy to carry around. Rust prevention: Cover the gauge group with rust prevention oil, harden and polish it, and use it accurately for a long time without rusting, making it easy to open. Easy maintenance: Components are concentrated within the drum, making adjustments and repairs easier, and troubleshooting simpler. High space utilization: For the same braking force, drum brakes have a smaller drum diameter and a more compact layout., Manufacturer: DGOINGPI