Gauge Expandable Buttonholes

The buttonhole ruler provides you with a quick measurement to place your buttons and buttonholes on all your garments. Quick and easy to use, it allows you to place 8 to 9 buttons spaced from 1 cm (when closed) to 8.7 cm (fully extended). Usage: place the buttonhole measuring ruler on your garment. Extend it to the desired length to determine your ideal placement.