Freud D0770FM Diablo Steel Demon Ferrous Cutting Saw Blade 7-Inch/180 mm by 70t 20 mm arbor For Evolution, Jancy, Morse, and Similar Metal Cutting Saws. 3900+ RPM, 18 ga or thinner max cut thickness, general purpose steel. 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