Sanding Kit for Dremel Trio™ is used for rough shaping and smoothing wood and fiberglass, removing rust from metal surfaces, and shaping rubber surfaces. Great for sanding inside curves. 1/2 inch diameter x 3/4 inch long sanding bands are easily interchanged on drum. The stable base of the Trio tool provides perfect 90-degree edge sanding, and the 3/4 inch drum length provides 50% more capacity than standard rotary tool sanding drums. Kit includes mandrel and two each 60, 120, and 240 grit sanding bands. Dremel number TR470.