Check the listing for details. NATIONAL PUBLIC SEATING 6330B Square Stool,Welded Tube Leg,Gray,43"H 8RNU4. Condition: New. Listed at 154.07 USD. Square Stool, Base Design Welded Tube Leg, Mobility Stationary, Backrest Yes, Base Color Gray, Built-In Tool Tray No, Includes Footring Yes, Maximum Seat Height 30 in, Minimum Seat Height 30 in, Overall Height 43 in, Seat Diameter Not Applicable, Seat Shape Square, Seat Width 16 1/2 in, ESD Conductive No, Assembled Unassembled, Number of Legs 4 The durable construction and classic design of the 6300 Series heavy-duty square-seat stool is ideal for hands-on educational settings like art rooms, science labs, home economics, or shop classrooms. This reliable stool features a strong frame of 18-gauge steel tubing securely welded to the seat pan which is riveted in 16 places to wide Masonite seat that will not warp, chip, or crack. The adjustable backrest can be moved 2" up/down and forward/bac.