DESCRIPTION CODE 16mm x ½’ IVHMC1615 16mm x ¾’ IVHMC1620 20mm x ½’ IVHMC2015 20mm x ¾’ IVHMC2020 25mm x ¾’ IVHMC2520 25mm x 1’ IVHMC2525 32mm x 1’ IVHMC3225 32mm x 1 ¼’ IVHMC3232