ABC fonts employ a proprietary sizing factor suitable for laser or ink jet printers. ABC fonts produce camera ready art requiring no additional compensation. ABC fonts are engineered to out perform the others. Altek are listing a whole range of barcode fonts in a variety of styles and symbologies for every conceivable application. The first ones are ready now.
All fonts depicted are to the same scale.
They will however enable you to compare height and style. For a true representation you should download the demo fonts. Code 39, Medium. Code 39, Tall. Code 39, Regular Text.