Comparison : Item # 1317-28-204S, 1/2" MPT Brass Solid Hex Head Plug
Item # 1317-28-205S, 3/4" MPT Brass Solid Hex Head Plug
Item # 1317-28-206S, 1" MPT Brass Solid Hex Head Plug
Item # 1317-28-204S, 1/2" MPT Brass Solid Hex Head Plug
Item # 1317-28-205S, 3/4" MPT Brass Solid Hex Head Plug