PRO-TEK TIRE GRINDING DISK - 4"; 24 GRIT; WITH NUT - TG-424-N

Make your tires fire off faster and freshen old tires. Perfect for grinding hardened rubber off used tires to improve performance. These are dangerous to use! You need to have the tire mounted on a wheel and have it bolted to the car or to a holder. Do not try to hold this with your legs or hands while grinding. YOU WILL GET HURT!!