Diamond wheel sharpening coarse is designed to provide effective sharpening and rapid repair of a dull or damaged edge. The Diamond wheel has a grit size of 360 for fast steel removal and is particularly useful for tool shaping. With this Diamond wheel, you can sharpen nearly any type of material, including steel, ceramic and carbide. DF-200 Diamond wheel fine fits Tormek T-4 Original, Tormek T-4 Bushcraft, Tormek T-3 and earlier models with a 200 mm diameter grinding wheel.