This is from Amazon for the Jet 16/32:
Handles a Wide Range of Material Sizes
The 16-32 Plus handles a wide range of material sizes quickly and easily. It can sand materials as thick as three inches, as thin as 1/32 inch, and anywhere in-between. Unlike planers--which often have a minimum length requirement of a foot or more--the 16-32 Plus can safely handle pieces as short as 2-1/4 inches.