: Modern high-quality replacements are available from brands like ZIGZAGSTORM and CKPSMS on platforms like Amazon and eBay .
This part is specifically designed to fit several classic Singer models, including: 125291
: This bobbin case features a "backward-latch" with a finger that points to the 11 o'clock position (left-pointing). : Modern high-quality replacements are available from brands
: Because of this specific left-pointing finger, it is not compatible with standard Class 15 machines or clones, where the finger typically points to the 1 o'clock position. 125291
The number most commonly refers to a specific, specialized bobbin case (part number #125291) used in vintage Singer sewing machines . Key Technical Specifications