1-3/4" round combination repair unit with integrated lead-wire stem. 3/4" thick stem designed to fill and seal larger puncture channels. One-piece repair for tread-area injuries in radial passenger and light-truck tires. Lead-wire design allows controlled pull-through installation from the inside of the tire. Reinforced patch base bonds to the inner liner for a strong, airtight repair when used with vulcanizing cement. Packaged 24 combination patches per box.