1-1/2" wheel has a unique domed shape that allows the wheel to be used on either its side or face for surface grinding, sharpening, and flush-grinding. Ideal for shaping, smoothing, sharpening, deburring, rust removal, and general-purpose grinding on most materials, including stainless steel. For use with the EZ402 EZ Lock mandrel. The Dremel EZ Lock makes accessory changes easy as pull, twist, and release. The 1-piece mandrel design simplifies the process of changing cutting wheels.