Check the listing for details. Patch Rubber Company 1/8-Inch Pilot Wire Patch Plugs with 1-3/4-Inch Diameter. Condition: New. Listed at 34.99 USD. Patch Rubber Company 14040 1/8-Inch Pilot Wire Patch Plugs with 1-3/4-Inch Diameter Patch for Radial Tire Tread Puncture RepairsSIZE- Plug stem diameter 1/8-Inch (3mm); Patch diameter 1-3/4-Inch (44mm)EFFICIENT- Combination patch plug fills and seals the injury in one step. The stem and repair unit are coated with Dual Cure Cushion Gum creating a permanent bond to the tireEASY TO USE- A wire tip is molded into the repair unit and easily helps guide the stem through the injurySimplify and speed up nail hole tire repairs with Patch Rubber Company Pilot Wire Patch Plugs. The combination patch and plug fills and seals the injury in one step and are great for repairing punctures to the tread area of passenger and truck tires. After properly preparing the injury area, insert the pilot wire through from the inside, then grab the stem with pliers and pull snug. The dual cure cushion gum coating on the stem and repair unit help create a permanent bond with the tire. Use 1⁄8" units to seal pinhole leaks, keeping the injury as small as possible. 1⁄8" pilot wire patch plugs are acceptable for the repair of Z-rated tires in the tread only. Do not use this product for shoulder or sidewall injuries. Apply with CHEMBLUE Universal Cement or Patch Rubber Fast-Dry Cement.