This Singer Sewing Machine 221 & 301-A Graduated Needle Plate 170098 comes with screws and is perfect for collectors and sewing enthusiasts. Its brand, Singer, is a well-known name in the industry and this particular product line is vintage original. The needle plate is compatible with both 221 and 301-A models.

In addition, this item falls under the categories of collectibles and sewing machines from the era of 1930 to now. Its aspects include brand, originality, and product line. This is a unique find and a great addition to any collection or for personal use.