Vintage Singer Featherweight sewing machine presser foot thumb screw with the blackside finish. This is the lower profile thumb screw which is perfect for Featherweights (allows the bed to fold up without hitting the thumb screw), but can be used on any older Singer, it can also be used to secure seam guides, etc to the bed. Very good vintage condition, the black finish remains intact. Rust free. Genuine, original Simanco part #51224.