Foredom's AK797210 Belt Sander Attachment comes with a 180 grit belt installed and also includes 3 each of 100, 180, and 240 grit belts. The Belt Sander offers a power assist to sanding jobs and can be used to sand and smooth metal, wood, acrylic and composite materials. It is an all metal, quality-machined aluminum device that attaches with ease over the top of a Foredom H.30 handpiece. It has 3 permanently lubricated ball bearings. Sandpaper belts measuring 7mm (9/32") x 257mm (10 1/8") come with the attachment. Handpiece is not included but is available separately (FS30).