The USA Lab Rack mounting system is a versatile rack made of aluminum that allows users to attach columns, brackets, and much more! These lab rack units come with 4 heavy duty casters allowing users to move their aluminum racking system around their work area with ease. With each bracket being movable, these racks are the most versatile racks on the market at an affordable price and a 24x24 equipment stand! ***UNIT DOES NOT COME PRE-ASSEMBLED*** RACKA242459 SPECIFICATIONS•Material: Aluminum•Size: 24" x 24" x 59"•Weight: 35lbs•SKU: RACKA242459 Parts List    For Technical Support, Questions, or Other Issues Please Email or Call Us!