A worktable having a leg supports 2 & 3 linked by strut 4 in normal working mode may have its leg supports repositioned one with another for alternative working modes, here shown with leg support 3 providing an extension to the top frame support 1, an extension leg 18 connected by strut 4 supports leg support 3 in a horizontal plane and a sliding element 20 providing the same essential form features as the top frame support 1 permitting the operational footprint of jaws 7 & 9 to be extended over the elongated top frame support provided by leg support 3.
