Ryobi offer a wide range of random orbit sander, both corded and cordless. Our 18V cordless random orbit sanders are compatible the ONE+™ battery system, which can be used across our wide range of tools, from power tools to garden tools. A random orbital sander is a form of sander that combines both the oscillating action of an orbital sander with the rotation of a disc sander. A random orbit sander can be set up swiftly and with ease. Perfect for DIYers, this type of orbital sander doesn't leave any sanding marks because of the random movement.