Diamond abrasive lasts up to 100x longer than conventional bonded abrasive wheels Cuts almost any material - steel, stainless steel, cast iron, rebar, stone, concrete block, brick, ceramic tile, composites and more Safer shatter-resistant core won't blow apart like conventional bonded abrasive wheels Wheel remains 4-in diameter for a consistent cut - won't shrink in diameter like conventional bonded abrasive wheels Lowest cost per cut - spend less time replacing wheels and more time working