The Singer Embroidery Hoop, Singer part number 171074. is designed specifically for a 222K Featherweight.
The embroidery hoop was not part of the original accessories set but was an optional accessory.
Even though it was an optional accessory the instructions for its use is given in the 222K manual.
The hoop is in excellent condition. The box has a some damage to the top side of the lid.
The hoop will not fit 221 Featherweight.
Free delivery. The price includes the shipping cost.