The Singer Featherweight 221K in white, also known as "Pale Turquoise," was produced in the mid to late 1960s in Kilbowie, Scotland. This unique model featured several distinctions from the standard black Featherweight, including its spool pin and cover. Some additional parts to use on the spool Pin is a spring to keep the spool from making a noise or coming off the spool pin in high speed mode. The spool pin and cover for the white Singer Featherweight 221K are essential components of this vintage sewing machine. The spool pin is designed to hold the thread spool in place, while the cover plate protects the internal mechanisms and provides a clean, finished look to the machine. Spool Pin The spool pin for the Singer Featherweight 221K is a vertical pin that holds the thread spool. It's important to note that on the white model, extra care must be taken when oiling or greasing around the spool pin area. Unlike the black and tan Featherweights, you should avoid getting any oil or grease on the internal drive belt located under the spool pin cover plate of the white Singer Featherweight. Cover Plate The spool pin cover plate for the white Singer Featherweight 221K is a distinctive part of the machine's design. It's available as a vintage original part and typically comes in white to match the machine's color scheme. The cover plate serves both functional and aesthetic purposes: Protection: It shields the internal mechanisms from dust and debris. Aesthetics: It contributes to the machine's clean, streamlined appearance. Functionality: It helps guide the thread from the spool to the needle. When purchasing a replacement spool pin cover plate, it's essential to ensure it's specifically designed for the white Singer Featherweight 221K model to maintain the machine's authenticity and proper functionality. Thread Delivery System For improved thread delivery, some Featherweight owners opt to use a thread post accessory. This device converts the vertical spool pin into a horizontal thread delivery system, which can provide smoother thread flow and better stitch formation, especially when using modern spools of thread. When maintaining your white Singer Featherweight 221K, remember that its internal mechanisms differ from the black and tan models. Always refer to the specific care instructions for this unique model to ensure its longevity and optimal performance