Check the listing for details. Patch Rubber Company 3/8-Inch Pilot Wire Patch Plugs for Tire Tread Punctures. Condition: New. Listed at 60.00 USD. Patch Rubber Company 3/8-Inch Pilot Wire Patch Plugs with 1-3/4-Inch Diameter Patch for Radial Tire Tread Puncture Repairs, (Box of 18) Simplify 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. Apply with CHEMBLUE Universal Cement #16460 or Patch Rubber Fast-Dry Cement #16451. Use #42379 3/8-Inch carbide cutting tool to ream and standardize the injury prior to installation of the pilot wire patch plug. 3/8" patch plugs are appropriate for truck tire injuries. Do not use this product for shoulder or sidewall injuries. SIZE- Plug stem diameter 3/8-Inch (10mm); 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 tire with increased adhesion when compared to chemical cure repair unitsEASY TO USE- A wire tip is molded into the repair unit and easily helps guide the stem through the puncture