Uni-lok gusset system (patent #5,165,349): gusset is recessed into hat channel underside tabletop, reducing lateral movement. Highly-polished 14 gauge type 300 stainless steel top with no-drip countertop edge. Stainless steel undershelf. 1 5/8″ diameter legs with two 4″ casters with brake. 1″ diameter stainless steel handle is welded to heavy duty brackets and stand.