JET JMBUMB Universal Mobile Base 708118

Adds a new dimension of flexibility for many shop machines, Adjustable width and length lets you configure the base for total support and portability, Quickly expands from 18"x18" to 28"x28", Spring-pin snap adjustment requires no tools for easy assembly, Strong, yet lightweight base can hold tools up to 600 pounds, Two fixed and two swivel casters provide easy maneuverability, Backed by JET's industry-leading one-year warranty against manufacturing defects