Diablo, 5-3/8" x 30 tooth, 20 mm arbor, steel demon, ferrous metal, saw blade, efficiently cut through ferrous metals quickly & accurately, leaving clean, burr free cuts, ideal for cutting steel studs, steel pipe & steel sheet, ideal for most mild steels under 1/8" thickness, laser cut stabilizer vents for reduced vibration & precise cuts, durable triple chip grind tcg tooth design for clean, chip free & long life cuts, perma-shield permanent coating prevents gumming , corrosion & reduces heat buildup, laser cut thin kerf design gives fast, clean cuts.