Open a window to your work. Experience this unique new "see-through" technology. These discs provide a unique ability to see the surface you are carving as you work. You’ll notice an immediate difference, Holey Galahad quickly allows you to shape peaks and valleys into smooth surfaces as you see them, eliminating the need to "feel" the high and low spots. These extremely sharp, long wearing conical teeth provide superior surface removal with a very smooth action. Made of durable Tungsten Carbide and is available in round and flat profiles. Also available in course, medium and fine grits.