The most heavy duty of coated abrasive discs, full resin bond on vulcanized (cotton fibers treated under intense pressure and heat) fiber backing. Designed for applications ranging from heavy stock removal to surface blending. Used with back up pads on portable angle grinders. Attach the Red Heat® F981S coarse grit TS (Type II) quick-change fiber disc to your right angle for great results, fast. Featuring state-of-the-art grain adhesion, this disc facilitates a speedy cutting job. Depend on the innovative self-lubricating grain treatment to reduce excessive heat. With tough yet flexible one-ply laminate and Y-weight Plus backing, this disc can conform to uneven surfaces. This durable disc is made from a ceramic alumina abrasive blend that tends to last longer than aluminum oxide and zirconia discs. Its coarse grit is perfect for weld blending, stock removal and deburring cast iron and steel.