Cut-off wheels gas saw 1 inch arbor dia 12 inches For multiple types of metal including steel, sheet metals, stainless steel, rebar, cast iron, aluminum and non-ferrous metals. Designed for use in the same power tools as bonded abrasive wheels, at the same RPMs and feed forces. No changes in operating se ttings are required. The cutting depth stays the same throughout the blades life, meaning better control, reach and precision. Less odor and dust residue as the wheel does not wear down like bonded abrasives. Sparks originate only from the material being cut. Delivers more cuts with no need for wheel changes.