1. Widely Applicable: these tire patches tools are effective and wear resistant, ideal as accessories for tire repair, suitable for cars, trucks, motorcycles, bicycles, bicycles, electric bicycles, cars, and more 2. Way of Using: the tire patch roller and air tire buffer can work together to grind and clean fast before repairing the tires, easy to use and operate; Tire roller can help remove the air under the tire repair, to ensure adhesion and sealing 3. Content and Size: you will receive a flat tire repair tool which measures 42 x 20 mm/ 1.65 x 0.79 inch, along with a tire patch roller which is about 11.5 x 2.8 cm/ 4.53 x 1.1 inches in size; This flat tire repair kit provides practical tools for the process of tire repair 4. Practical Tool Design: the tire repair tool is made of quality metal and plastic materials, not easily deformed and damaged, its bearing gear like teeth able to provide penetration pressure to remove trapped air, and to ensure a good seal between the patch and tire