The Florida Pneumatic mi random orbital sander is a handy kit which the tool can be used as either a 2 . or 3 . sander sce both 2 . and 3 . backg pads are cluded. The kit also features (10) each of 2 . and 3 . sandg disc's 320, 400, 600 grit all stored a blow molded carryg case.