Features: Engineered with high speed grinding technology, this coarse grit grinding head delivers rapid tire damage repair for cars and bicycles, featuring alloy construction and optimized friction surfaces. The heat resistant alloy body maintains structural integrity under heavy loads, while its specially designed coarse grit surfaces ensures superior traction during polishing operations, minimizing slippage and maximizing grinding precisions. Ideal for professional mechanics, vehicle owners, and cycling enthusiasts requiring tire restoration solution in auto repair shops, home garages, or roadside situations during travel. Perfect for smoothing irregular treads surfaces, removing embedded debris from punctured tires, and preparing rubber surfaces for vulcanized patches across multiple vehicle types including motorcycles and electric scooters. Outperforms standard grinding heads with uniform abrasive particle distribution that reduces dust and extends service life, ensuring vibrations damped comfort during prolonged use. Specifications: Component: metal Size: About. 26x25mm/1.02x0.98in Package Includes: 1pc Grinding Head note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.