Premium Quality: Tire buffer is use of high strength and long durability tungsten carbide material, stand up to repeated use, high performance and a long life time guaranteed. Wide Range of Applications: Grinding wheel is suitable for most tire repair jobs and is a good tool to help you repair vehicle tires. Easy to Operate: Tire buffing wheel is easy to use and operate and can be used with air pneumatic tools. Hollow Design: Tire repair tools can timely discharge rubber debris to improve grinding efficiency with the hollow design, which is a professional tool tailored for tire repair and grinding. Package Include: 2 x buffing wheel, 2 x linking rod. (Grinding head size: 38mm/1.5'', thread size: 9mm/0.35")