1-3/8" vintage toy wheels with painted metal hub. Original set of four

1-3/8" wheel with painted metal hub. Tire is 1-3/8 with a 5/8" diameter hub.  Original parts that fit German, European and US toys and trucks. 1/16" axle hole. Rubber tire and metal hub.  Vintage. Sold in sets of four.  A customer has used these wheel to replace a rubber ring on an old sewing machine, how neat is that.