MILESCRAFT Slibeklods Sand-ItSmall & convenient, this multi surface hand held sanding block works with any standard sheet of sanding paper. Changing between different sheets is a snap with the patented snap lock system. Sand It Features: Each side of the Sand It has a different contour which makes it ideal for: Flat Convex Concave Tight Corners Eliminates the need for multiple sanding tools Quickly change between different grits of sand paper with the snap lock design