This is a plastic spool pin made to fit a ONLY Singer Model 50D or a 40K. When you buy this spool pin you are buying ONLY ONE, NOT TWO. They sell for $4.00 ea. Does not screw in. One end is smaller and just tap it into the hole.
Welcome to Suncatcher. We are pleased to offer Singer Featherweight Parts, Laurel Burch products and many more items.