Astro 320 0.4 hp Velcro ONYX Micro Sander Smallest, lightest, and most powerful sander in its class Reach smaller areas and tighter contours with less fatigue Spot focuses sanding needs instead of sanding entire area The latest technology in ultra compact CNC machined internals Full length with pad of 3.3"; Includes 2" (20301P) and 3" (20302) PU Velcro backing pads