Wood smoothers are tools used to shape and smooth wood. They include PLANES, planers, and sanders. PLANES are tools with a flat blade that is used to shape and smooth wood by shaving off thin layers. Planers are tools with a rotating blade that is used to shape and smooth wood by removing thin layers. Sanders are tools with a rotating abrasive surface that is used to shape and smooth wood by sanding away thin layers. All three of these tools are used to create a smooth finish on wood surfaces.