After youve finished sawing just attach the holder like a saw blade and you can sand the items that youve just sawn can also be used for shaping workpieces use for those places other machines cant get to sanding area 12 x 100 mm included in the package is one of each sandpaper holder flat and curved sandpaper approx 70 x 100 mm cut to size required 1 x coarse 2 x middle 2 x fine