Top Things to Avoid When Grinding and Sharpening | Dremel
WEBEach of Dremel's grinding stones has its own shape, size and purpose. The pointed Aluminum Oxide Grinding Stones (953) works wonders on round or curved surfaces, such as pipes and tubes, both inside and out. Alternatively, the Aluminum Oxide Grinding Stone (932), with its cylindrical shape, is perfect for flat and slotted surfaces, such as axes.