The Dynaplug MICRO PRO is machined from 6061 Aluminum billet and is available in Silver (polished aluminum) and Anodized Red, Black, Gold, Green, Blue and Purple. Repair a puncture in a TUBELESS bicycle tire by inserting a repair plug in the puncture location. The repair plug bonds with the tire rubber; no glues are needed. More than one repair plug can be used to seal the hole. The Micro Pro tool has the style of a small capsule to keep it very small, and still all of the accessories are stored neatly inside and weighs only 1.5 ounces. With this tool, there are five repair plugs along with two insertion tubes, an air stopper and a micro knife. Extra insertion tubes, micro knife and air stopper are available directly from Dynaplug. Tire repair plugs come in packs of 5. This tool is easy-to-use, neat and fast. LIMITED LIFETIME WARRANTY and MADE IN THE USA.