Ryobi ZRS652DGK 1/4 in.-Sheet Pad Sander (Certified Refurbished) 2 amp, ball-bearing motor with 14,000 OPM for fast sanding applications Ergonomically designed for less fatigue during extended use New and improved GRIPZONE overmold for optimum grip and user comfort Sealed on/off slide switch with lock-on for durability and ease of use Active dust collection for workpiece visibility and cleaner work areas