: This Car Tire Repair Tool easy and quick to repair punctures for all tubeless tires on most vehicles. The Tire Plug Gun is a spring loaded device that 'drives' the plug into the hole. The shaft of the plug expands under pressure to fill the puncture. The mushroom head of the plug seats on the inner wall allowing no air to escape. It's easily stored, you can always keep it in the car. Instructions: 1.Clean Chong : remove dirt hole created special cone back and forth several times inside and outside of all the dirt will create holes divisible. 2.mounted rubber : Tire pushed the gun back pin buckle, making the final push rod back position. According to Chong hole sizes to choose different types of rubber, coated with lubricating economic, rubber tail insertion bore, thin end of the tube with a small tip of the rubber to promote the chamber, according to advance inside the gun barrel rubber (size ) can choose the appropriate spin on both tips. 3. Install the plastic leader: according to the size of the choice of different plastic tips leader, insert the tip. 4. Vacuum tire law: The lead has been installed plastic head tire gun, tire alignment when creating holes that pulled the trigger insertion site within the tire, rubber estimated Ministry has pressed the tip, dial tire after the gun, then hand or pliers to gently pull the tail rubber, so the rubber , snapping tire wall, then cut off the excess outside rear tire, tire repair is completed, either sufficient gas to make it normal exercised. Note: Air transportation cannot transport flammable items, so the bottle does not contain lubricating oil, it will be empty. Please understand. Package Included: 1 x Tire Plug Gun 1 x Probe Tool 1 x Spearhead 2 x Nozzle 1 x Packing Box many rubber head