Feature:1. Made of highquality steel, sturdy and durable, long service life.2. Small size, light weight, easy to carry and good for emergency needs when riding.3. Dualpurpose tire repair tool, files can be used to wipe tires.4. The dual wheel is used to press the tire patch, so the patch can adhere more firmly.5. This is an ideal tire repair tool for cars, motorcycles and bicycles.Specification:Item Type: Bicycle Tire Repair FileMaterial: 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 List:1 xBicycle Tire Repair File