Random orbital sander

This technology was first commercially utilized in 1968[citation needed][1] by Rupes Tools.

This ensures that no single part of the abrasive material travels the same path twice during the same rotation.

Because of this random sanding action, the tool does not leave swirl marks, and is not sensitive to the direction of the wood grain.

Random-orbital sanders use sandpaper disks, and many include integrated dust collectors.

Disks are attached using either pressure-sensitive adhesives or a hook and loop system.