The United Abrasives/SAIT Type 27 Saitech AttackerĀ® is made to go on an angle grinder. High performance, ceramic aluminum oxide grain, is designed to outlast standard aluminum oxide wheels. Soft bond for extremely fast stock removal on hard metals with minimal pressure. Very uniform, high density grain structure for a long life and a cooler cut. United Abrasives/SAIT wheels are reinforced with the highest quality fiberglass for maximum safety and performance. Proudly manufactured in the USA.