Knob Bras - 5 Older series - First Generation 5's - BERNINA

3d printed 5 Series Knob protector (for the OLDER generation 5 series machines: 580, 560, 550 (gray metal bobbins) . This will greatly help reduce the chances of breaking the stitch width or length knobs on your expensive machines.

3d printed parts may have some imperfcections.