THIS MOBILE WORKBENCH FRAME IS FULLY ARC WELDED AND CONSTRUCTED WITH 2"" X 2"" 16 GA BOX TUBE ADJUSTABLE HEIGHT LEG MEMBERS THAT ARE JOINED TOGETHER WITH 16 GA FORMED STEEL APRONS. THE BOX TUBE WORKBENCH HAS A WELDED FOOTREST WHICH ALSO HELPS REINFORCE THE TABLE FRAME. ALL THE ACCESSORIES FROM DRAWERS TO THE OVERHEAD STRUCTURE WILL BE ABLE TO BOLT ONTO THIS STACKBIN WORKBENCH. THIS WORKBENCH WITH A FULLY WELDED FRAME SHIPS ASSEMBLED. THIS PRODUCT IS MADE IN THE USA.STEEL FRAME. NOTE TABLETOP IS MADE OF A HARDBOARD CORE WITH STAINLESS STEEL SKIN COVERING ONLY THE TOP FRONT EDGE AND SIDE EDGES. BACK EDGE WILL NOT INCLUDE STAINLESS STEEL SKIN.