New Ruby Buttonholer RB-LC Low Shank - Made in Taiwan - Fits Singer 221 Featherweight 15 27

The Ruby Buttonholer RB-LC is a low-shank attachment for straight-stitch machines, enabling them to create professional buttonholes. It includes an adapter for high-shank machines and adjustable settings for length, width, and stitch density.

• The description claims the buttonholer can accommodate buttonhole lengths from approximately 10mm to 25mm (or up to 49mm depending on variant).
• The description claims the buttonholer has adjustable settings for length, width, and stitch density.