Features1Made of highquality steel, sturdy and durable, long service life. 2Small size, light weight, easy to carry and good for emergency needs when riding. 3Dualpurpose tire repair tool, files can be used to wipe tires. 4The dual wheel is used to press the tire patch, so the patch can adhere more firmly. 5This is an ideal tire repair tool for cars, motorcycles and bicycles.SpecificationItem Type: BicycleTireRepairFileMaterial: SteelColor: As Pictures Shown Product Size: Approx. 12.5x1.7cm/4.9x0.7inWeight: Approx. 28g/1ozHow to use:Use a file to rub the punctured part of the inner tube a few times, wait until the rubber surface is rough enough, apply glue, and then paste the tire patch, and then use our two wheels to press the tire patch back and forth to make it completely adhere to the rubber surface.Package List1 xBicycleTireRepairFile