MECHANICAL STOOL AND SIT STAND MECHANICAL STOOL Product No.   HPM-1 Seat Height Range   16-1/2 to 21-1/2" Base Dia.   23" Base Type   Plastic Wt. (lbs.)   22 Price Ea.   $161.00 Color: Black Burgundy ($21.00) Blue ($21.00) Gray ($21.00) Yellow ($21.00) *Please note that some options/add ons can affect the price of the product. Quantity: