Stop & Go Tire Pluggers are now readily available from The Rotary Corporation. Tire Pluggers bring a new technology to emergency tubeless tire repairs. Get professional results with this proven shop-style tool. It repairs punctures from the inside out. The gun drives the plug into the hole, and then expands under pressure to plug the puncture. The mushroom head seats on the inner wall, assuring a tight fit, allowing no air to escape. And no rubber cement is needed. This kit includes: spring-loaded plug gun, nozzle, probe tool, reamer tool, retractable razor knife, 3/4-inch x 5/16-inch-diameter shaft plugs, detailed instructions.