Gun inserts a natural rubber plug into the puncture area that expands under pressure to seal the hole. Mushroom-shaped head seats on the inner wall. On or off the wheel repair for all tubeless tires. Kit includes:. Plug gun. Nozzle and probe tool. Retractable razor knife. Sturdy T-handle reaming tool. 25 mushroom plugs. Instructions. Comes in a new durable, impact-resistant carrying case with molded foam interior, handle and lock hole to keep it secure; hard-sided case measures 8.5" x 8.5" x 3" x 1" and weighs 2 lb. 3 oz.
