17x19mm. Vintaj nickel-free brass. Add dimension to your designs, with a "creative toggle" clasp! Mix & Match toggle bars and rings to create your own style. Nouveau Swirls coordinates beautifully with TB20 - Engraved Oval Bar, TB30 - Etched Bar, TB40 - Leaf Bar. Don't forget jump rings & a toggle bar to complete this "creative toggle clasp".