Review on Spoilboard Surfacing Cleaning Flattening Woodworking by Marlo Schlachter

For the price, it did what I needed. I created a desktop and needed to align it. The first photo is my jig. The second shows the first pass. It was very good. 3-1/2 HP router was stuck at 10,000 rpm (first pass) so I set it to 13,000. When I dulled the bit (hard maple) it burned pretty badly on the last run. I shot no more than 1/16 per shot and about 1/8 to 3/16 of an inch on each side. Last photo after belt sanding to remove burn marks and final sanding to 220 grit. Worth the price but slightly dull on hardwoods.