The Dremel® 100 Series single-speed rotary tool offers the ultimate in convenience. Designed for full-speed applications, like routing, cutting, drilling and sanding. The 100 Series tool has powerful performance for shaping, hollowing, grooving, slotting, inlaying and making tapered holes in soft metals, plastics and woods - especially on curved surfaces. It's a simple rotary tool that gives you consistent operation levels of 35,000 rpm. An ideal rotary tool when one speed is all you need.