A smoothing plane
or smooth plane
is a type of bench plane
used in woodworking
. The smoothing plane is typically the last plane used on a wood
surface - when used properly, the finish it gives will be far superior to that made by sandpaper or scrapers. The smooth finish is the result of planing the wood off in strips, rather than by successive buffing and scratching.
The smoothing plane is typically 8 to 10 inches long, has a tight mouth and is held with both hands. The iron of the smoothing plane is generally sharpened straight across or with a slightly arched cutting edge (or at least with rounded corners) to prevent unsightly grooves from being gouged in the wood surface as it is planned.