: It helps prevent the bobbin thread from tangling or unraveling when sewing operations start and stop by ensuring the bobbin stops spinning quickly. Compatible Singer Models
: Collectors and restorers often look for original Simanco (Singer Manufacturing Company) stamped versions on sites like Old Singer Shop or Vintage Singer Parts . 125291
: 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. : It helps prevent the bobbin thread from
: Modern high-quality replacements are available from brands like ZIGZAGSTORM and CKPSMS on platforms like Amazon and eBay . 125291