Wide Applicability: These tire repair tools are effective and wear-resistant, ideal as tire repair accessories for , trucks, motorcycles, bicycles, bicycles, e-bikes, automobiles, and more. The tire repair roller is used in conjunction with the pneumatic tire buffer, which can be quickly polished and cleaned before the tire is repaired, which is easy to use and easy to operate; the tire roller can help to remove the under the tire repair to adhesion and tightness. Tire repair rollers are designed to roll off inner tubes and tire repair patches to remove trapped , ensuring a good bond and seal between the patch and tire. The inner tube repair kit has bearings to make this tire repair tool easier to use, durable and portable. The tire patch roller measures about 7 mm/ 0.28 inches in thickness and 18 cm/ 7.09 inches in whole length Material: Metal+Plastic colour: Black Package Contents: 2 x tungsten buffing wheels(42/55mm) 1 x tire patch roller(7 mm) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.