The next step in the finishing process. Smooth out scuffs and scratches with this light-weight flexible cushioned medium grit file. 3/4” (20mm) Professional Hobby Sanding Files give you plenty of feedback that prevents excessive material loss. The key to great results is using the proper progression of grits. Always work from coarse to fine in order to remove any scratches, dents, or imperfections. These files are light-weight, waterproof, washable, and reusable making this product a must have.