SINGLE OR PAIRS OF TUX STUDS TO REPLACE MISSING/BROKEN PIECES OR ADD TO YOUR SET FOR NEWER STYLE SHIRTS. shirt stud: 0.29 x 0.29" (approx. 5/16" x 5/16" or 7.5mm x 7.5mm). Condition: very good, stud slide is smooth and spring consistent - SEE PICS - (Hi resolution photos typically show more detail than is visible to the naked eye).
