This Ryobi RRT18-0 18V ONE+™ Cordless Rotary Tool is perfect for engraving, polishing, sculpting and more. As part of the Ryobi 18V ONE+™ system, it offers cordless convenience for hobbyists and DIYers. The 32mm slimline pencil design with variable speed control provides fine control and use on a variety of materials. It is a versatile tool suitable for sanding, grinding, polishing, engraving, and sculpting. The power base includes a handy accessory storage compartment.