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. The tire repair tools are made of hard tungsten alloy material and is suitable for grinding and polishing the outer surface of materials such as tires and rubber products.