Flat Tire Repair Patch Tools, 42mm 55mm Low High Two Speed Tungsten Steel Buffing Wheels with Repair Patch Tyre Roller Tool and Tire Inner Liner Scraper for Car Truck Tube Motorcycle Bike. ????【Screwdriver-style Tire Repair Roller】Ergonomically designed for easy grip for firmness during use, deep cut and clearly defined gear-like teeth provide greater penetration pressure to remove trapped air.
