Freud D0738F Diablo Steel Demon Ferrous Cutting Saw Blade 7-1/4-Inch by 38t 5/8-Inch arbor For 7-1/4-Inch Circular Saws. 1/8 to 3/8-Inch thickness, 5600+ RPM, Mild steel, 5/8-Inch arbor Features Freud's Exclusive TiCo Hi-Density Carbide designed specifically for metal cutting applications. Anti vibration Technology reduces noise and extends cutting life and Laser Cut steel blade body for smoother cuts and flatness Perma-Shield Non-Stick Coating reduces friction, heat build up which adds to longer blade life Freud's Limited Lifetime Guarantee