Cotter pins for attaching shank buttons. Also known as fastening shanks. Sold in lots of 50. Perfect for certain US tunics, nurse uniforms and more! If your garment has little round holes where buttons should be, this is the proper way to attach them. The metal cotter pins measure 3/4" long and work with almost any size shank button. These should not rust, but should still be removed before washing.
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