Vintage double open-end wrenches marked S-20113, with 1 1/8 and 1 1/16 size markings for sale INDIVIDUALLY. These were found in long-term shelf storage with other aircraft-related tools, parts, and equipment. No manufacturer’s name, logo, date, or manufacturer identification is visible.
These appear to be aircraft or aviation shop surplus/tool-room wrenches, but the exact manufacturer, original application, aircraft program, and tool number meaning are unknown. A good lot for aviation tool collectors, warbird maintenance displays, shop décor, restoration reference, or practical vintage tool use.