The BAUER™ 4 in. Coarse Carbide Grit Carving Disc has two sides bonded with premium carbide grit for aggressive material removal in hard and soft woods. The flat side is ideal for fast grinding of rough surfaces to be smooth-sanded later. The convex side is ideal for shaping, carving, and contour work. Perfect for shaping chair seats, large bowls, sculpting wood, and smoothing rough weathered lumber in preparation for sanding.