Silverback Automotive balancing beads earned their reputation over the years as a top-quality internal balancing compound that is completely safe for the tire and its components. - UNIVERSAL FIT - commercial truck, SUV, ATV and off-road tires. You can trust the Silverback Automotive internal tire balance beads. MADE OF 100% TEMPERED GLASS - the beads for tires will not break, disintegrate, absorb moisture, freeze or stick together. TPMS compatible. Big enough to never obstruct a valve core. No special valve core required - JUST SCOOP AND POUR in the quantity of beads that is needed according to the tire size (application chart is on the label). Free of silica-based coating, recyclable and reusable. The beads will outlast your tires - ELIMINATE VIBRATIONS caused by any heavy spots PROMOTE CONSISTENT TREAD WEAR and longevity of the tire - IMPROVE GAS MILEAGE - Time saving, hassle-free tire balancing solution. No machines. A bead balance means no rebalancing. The perfect tire balancer for your vehicles. Silverback Automotive has over 40 years combined experience in the Automotive aftermarket. Our passion and mission is to bring customers the best and most innovative tools.