Feature: 1. Tungsten Steel Grinding Head: Our tire patch tools feature 2 grinding heads made of premium tungsten steel, ensuring exceptional strength and durability, wear resistant and with a longer lifespan. 2. Tire Polishing: The tungsten steel grinding head is used for polishing tires, roughening their surface to achieve stronger adhesion. It saves time and effort during tire repair when used with a power drill for quick sanding. 3. Tire Patch Roller: Made of a wooden handle and metal, the tire patch roller helps eliminate air beneath the tire repair area, enhancing adhesion and sealing. 4. Package Content: Including 2pcs tungsten steel grinding head, a low speed hex connector rod, a high speed round connector rod, a wooden handle pressure wheel, and a tire scraper, this set meets all your repair needs. 5. Wide Application: This tire patch tool is suitable for tires of cars, trucks, motorcycles, bicycles, electric vehicles, ATVs, UTVs, and more, making it widely used in vehicle maintenance and beautification. Specification: Item Type: Tire Repair Tools Grinding Head Material: Tungsten Steel Grinding Head Diameter: Approx. 42mm + 55mm / 1.65in + 2.17in Low Speed Grinding Rod Diameter: Approx. 11mm / 0.43in High Speed Grinding Rod Diameter: Approx. 6mm / 0.24in Grinding Rod Thread Diameter: Approx. 8mm / 0.31in Pressure Roller Width: Approx. 6mm / 0.24in Scraper Width: Approx. 74mm / 2.91in. Package List: 1 x Wooden Handle Tire Roller 1 x Scraper 1 x Low Speed Grinding Rod 1 x High Speed Grinding Rod 1 x 42mm Grinding Head 1 x 55mm Grinding Head