The Dewalt dwe6411-gb is a 110v 1/4 Sheet Orbital Sander. The sander has a 230 watt motor with a max 1.6mm orbit size. The sander has a dust sealed switch for increased durability. The sander can be used with a dust bag or has a dust extractor port if you want to use with a dust extractor DWE6411-GB 110v 230 watt motor 1/4 sheet sander 1.6mm orbit size 108 x 115mm pad size 140 x 115mm paper size 1.28kg