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.