Dremel #8215 Aluminum Oxide Wheel Point Ideal for sharpening, deburring and general purpose grinding on most materials including stainless steel Specially designed for working with conic surfaces Dimensions1.8' 1.3' 3.9' Use on metals, castings, joints and rust 1/8 In. shank Use on metals, castings, joints and rust For general purpose grinding For sharpening and deburring 1/8 in. Shank A high-quality industrial abrasive made for extended usage, 1/8" (3,2mm) shank. Ideal for sharpensing, deburring and general purpose grinding on most materials -- including stainless steel. Specially designed to working with flat and slotted surfaces.