The Bosch 3725DEVS is multi-purpose random orbit sander with pad that both orbits and rotates, delivering a smooth, well-blended surface finish. It serves the needs of finish carpenters, cabinet makers, woodworkers and others, giving them great performance and results. For enhanced durability and for minimized wobble and vibration, the 3725DEVS features a rugged die-cast aluminum gear housing and dual-bearing pad mount. It also features enhanced random orbit sanding action using an eccentric orbit diameter of 3/16 In. (3/32 In. offset) plus free rotation for fast, for aggressive stock removal or fine finishing.