Premium 7 Inch Carbide Tire Grinding Disc and Needler Prep Tool

Tire Needler These tire needles are great for racing. They allow your tires to reach proper temperature quicker than normal as well as improving the absorption rate of treatment and prep chemicals. Tires achieve effective temperature more quickly. Dissipate heat more effectively. Improve absorption of tire treatment prep chemicals. Strong steel handle. Aside from an amazing tire prep tool, these tools can also be used as a perforating hand tool, wall covering perforater, or any other use you may have for a spike hand roller! Grinding Wheel These carbide grinding wheel discs are great for extending the usable life of your racing tires.  They feature an extra large 7" O.D. with a 5/8"-11 nut in the middle. 7" carbide tire grinding wheel disc. 5/8"-11 threaded nut welded in. Remove glaze from new tires or extend the usable life of old tires. Warning: Serious injury can result from use of these discs. Never use discs on a tire that is not inflated and fastened to an axle or stand.