Stud Post Earrings for Petite Mini Snaps 12mm (1/2" Diameter) Includes 2 Dragonfly Snaps Designed for 12mm Mini Petite Snaps that measure 1/2" diameter Post/Stud earrings for pierced ears comes with two dragonfly snaps (one one is shown) Our custom designed dragonfly snaps are sold exclusively by Beads and Dangles These earrings do NOT interchange with 20mm standard snaps that measure 3/4"