: 117 Plume, 15K88, 177, 177C, 191J, 191K, and 293B. Availability and Purchasing
: Suppliers such as GoldStar Tool offer quantity discounts for bulk purchases. 125291
: Collectors and restorers often look for original Simanco (Singer Manufacturing Company) stamped versions on sites like Old Singer Shop or Vintage Singer Parts . : 117 Plume, 15K88, 177, 177C, 191J, 191K, and 293B