Variable speed from 700-3000 strokes per minute for clipping faster or slower to match your needs. Comes with durable 2 level case, 83/84 Blade set, Clipper, Oil, Grease, instruction book. Head maybe exchanged for shear head (78153-313) sold separate. Blades are interchangeable with Heiniger, Andis, Aesculap, Liscop.