Check the listing for details. ElmerGuitar Router Base For Dremel Tool, Freehand Precision Routing. Condition: New. Listed at 49.99 USD. ElmerGuitar Router Base This precision router base holds a Dremel for freehand inlaying, widening fret slots, and other routing. Made of aluminum, brass and stainless steel, the cutting depth is adjustable by the brass thumbwheels. There's a built nozzle for attaching an air pump to blow away the dust. Simply unscrew the threaded plastic collar on the nose of the Dremel, and screw on this Router Base. Its 3/4-12 thread fits: Dremel 4000, 400XPR, Professional, MultiPro™ and most corded models. Black & Decker Wizard™ and RTX™ (please make sure your tool fits this thread.) About Us Luthier tools are now easy to find and cheaper than ever before! Elmer Guitar provide the most useful tools at the lowest prices! Contact Us Please feel free to contact us at any time, we are here for you!