Quick and easy tire insert repair plugs. Easy loading unique single-sided fork design quickly inserts into tire. Fork design doesn’t widen the hole trying to plug. Made from 316 stainless steel & 6061 aluminum. Knurled body and ribbed lid / handle for extra grip. Weather sealing o-rings make the tool waterproof when assembled. Each kit comes with one sheet of 3x 1.5mm and one sheet of 3x 3mm plugs.