The SRT™ series uses a proprietary high performance grain and synthetic resinoid bonding technology for extremely long life and fast grinding. The SRT™ bond provides increased strength and durability, which reduces vibration and overall wheel efficiency. The SRT™ grain is very aggressive and it stays consistently sharp throughout the life of the wheel. The SRT™ is contaminate free and it is available as a standard grinding wheel or as a Pipeline style, combination cutting and light grinding wheel