Ring snap button 1. Material: brass 2 .Color: Nickel free ... garment, men's or women's sh Ring snap button Materials: brassColor platings: nickel/nickel free, anti-brass, ... 18, 19, 20,21,22,24,27.5 and 30mm Socket and stud sizes: 7.5, 7.8, 8 ... 15, 17, 18, 20.8, 23, 25.4, and 30mm Prong sizes: 7.0, 7.2, 7.5, 7. ... , 22, 23, 24, 25, 26.5, 29, and 30mm Applications: children's garment, men's or women's shirts ...