Specification: Product name: tire repair rubber nails Colour: Black Purpose: Tire repair Scope of application: Small size: can fill up the breach within 0.1mm-3mm Large size: can fill up the breach within 3mm-5mm Material: Rubber Features: Sturdy Material: Made of premium steel and wrapped special sealed glue, sturdy and wearable, durable to use. Easy to Use: Easy to install with nail tip end, screw shape design makes it fix in the tire tightly, 10 seconds plug and repair, no need to take your tire off. Practical Tire Repair Tool: Fit for most cars , motorcycle, ATV, jeep, truck, etc., repair and make their tires no leak and recover, no enlargement of the existed hole. Small or Large Size: 2 optional sizes tire repair nails for your choice, small size can patch within 3mm holes, and larger size can fix 3-5mm holes. Independent Box: Each nail has its independent box, for better storage and your convenience to take out. How to Use: 1. Fill the tire with full air, observe the hole size and select the fit tire repair nail plug size. 2. Hole on tire groove, screw in the nail with cross screwdriver, make it lower than tire groove surface 0.5mm. 3. Hole on tire tread, screw in the nail to level. 4. Hole on tire side place, screw in the nail and make it lower than tire sidewall surface 0.5mm. 5. Aslant puncture hole, screw in the nail according to the trace. Tips: * Not suitable for: 1. Damaged hole size is larger than 5mm diameter. 2. Damaged hole inclination is larger than 45 degrees. 3. No thread bald head casing tire or severe aged tire. 4. If you meet above tire situation, please use another method for repairing. Recommended replacement of these kinds of tires for your safety. 5. If air leakage appears when finished the nail patchwork, it may be the hole is beyond nail repairing range. You may take the nail out with cross screwdriver and use another hole patched method, no effect of your secondary patching. Package Includes: 10/20/30/40 PCS Tire Repair Nails