THIS ADJUSTABLE WORKBENCH OFFERS 12"" OF HEIGHT ADJUSTMENT WITH THE PUSH OF A BUTTON. THE UNIT HAS A 1000 LBS CAPACITY AND WILL ALLOW ANY OF THE STACKBIN WORKBENCH ACCESSORIES OR OVERHEAD STRUCTURE ITEMS TO BE ADDED AT ANY TIME. IT HAS FULL ARC-WELDED LEGS AND BOLTED STRINGER FOR EXCEPTIONAL SUPPORT. THE STANDARD WORK HEIGHT RANGE IS 30"" - 40"". THIS PRODUCT IS MADE IN USA.