These portable units complete with a 6″ Pro-Slicer Diamond Blade (Model-J and Model-T), 6″ silicon carbide grinding wheel (Model-T), 6″ aluminum head with sponge rubber pad(Model-T), wet or dry silicon carbide sanding discs and a 6″ felt polishing pad (Model-T). It is powered by a 1/4 hp motor. One side cuts and trims, the other side grinds, sands and polishes. This is a good unit for faceters or anyone needing a complete, compact, portable lapidary unit to grind, cut and polish small stones.