Early Singer 12 13 New Family Sewing Machine Long Bobbins for Boat Shuttle

Hard to find, early Singer 12/12K 13/13K New Family long bobbins. They are also compatible with other various transverse sewing machines that use a boat shuttle of similar size (Jones, Frister & Rossmann, etc). You will receive two vintage, original long bobbins. Very good vintage condition with typical signs of age such as tarnish, rust free. Thread has been removed.