Air Tire Repair Polish Patch Tools, Include 2500rpm Low Speed Air Tire Buffer Tire Inner Liner Scrapper Patch Roller Tungsten Steel Buffing Wheel. Including 1 x Grinder, 1 x Air Pipe, 2 x Air Intake Connector, 3 x Tungsten Steel Grinding Heads, 3 x Precision Chucks, 1 x Tire Roller, 1 x Tire Inner Liner Scrapper.