Dynaplug Ultralite Tubeless Tire Repair Tool Kit, Made in USA FEATURES: Made in the USA. Machined from billet aircraft 6061 aluminum. One repair plug can seal a puncture up to 3/16"diameter; additional plugs may be added. INCLUDED IN THIS DEAL: (4) Repair plugs and (1) Insertion tube. Limited Lifetime Warranty. HOW IT WORKS: Fast, easy, and safe to use on all tubeless tires. No glue or wait time. NO removing the tire. Directions are included for each Dynaplug repair kit. General directions: remove object from puncture. Insert the repair plug and align. Then push and pull. DIMENSIONS: Only 5.4 x 0.9 x 0.9 inches long and weighs just 3 ounces. COMPANY INFO: Dynaplug is based in Chico, California.