Jet JMB-UMB-HD Universal Mobile Base.
Equipment previously considered immovable can easily be moved by only one person - rearrange your shop for special projects in just minutes. With 2 fixed and 2 swivel casters, the adjustable width and length let you configure the base to the tool for total support and portability.
Features:
-Spring-pin snap adjustment requires no tools for easy assembly
-Adjustable width and length let you configure the base to the tool for total support and portability
-Two fixed and two swivel casters provide easy maneuverability
-Strong, yet lightweight base can hold tools up to 1200 lbs.
-Expands from 24" x 24" to 34" x 34"
(Extension kit also available (item # 708158-JPW)