1-1/2" round repair unit with integrated lead-wire stem for combined fill-and-seal repair. 3/8" thick stem designed to fill larger puncture channels. One-piece repair solution for tread-area injuries in radial passenger and light-truck tires. Lead-wire construction allows smooth pull-through installation from inside the tire. Reinforced patch section seals the inner liner for an airtight, durable repair when used with vulcanizing cement. Packaged 24 combination patches per box.