Dremel 100-N/7 Single Speed Rotary Tool Kit for $29.99 shipped.  Here is a screenshot for your reference.  This tool kit features a single speed control, 35,000 RPM, and includes a wrench, mandrel, 1/2" sanding drum, dressing stone, emery cut off wheel, 1/2" 120-grit sanding band, aluminum oxide grinding stone, and silicon carbide grinding stone.  Most [...]