The Ultimate Edge Sander 232-2 by Stolbek features 3-grit progression, orbital sanding and corner breaking in one pass. This takes edge sanding from minutes to seconds per door. Sand raw MDF, solid wood, primer, solid surface — and multiple parts at one time. It has a small 3x8-foot footprint and offers consistency, time savings and an extended sandpaper lifespan, making it the  "ultimate" edge sander, the company says.