Tungsten Tire Grinding Discs Octane's Tungsten Grinding discs create round, aggressive sipes to increase traction. These discs are vented so that scorching or burning of the rubber will not occur during grinding of the tire. As a result, this disc will SAVE you MONEY by rejuvenating used or glazed tires. Available in 4" and 7".
SAFETY NOTE: To prevent bodily injury the tire must be mounted on the car or secured in a tire holder. NEVER USE ON A LOOSE TIRE. NEVER USE ON A TIRE THAT IS NOT INFLATED AND FASTENED TO AN AXLE. Eye and hand protection is required.