Handmade Earrings and Piercings - Large Quantity Earrings: 12 pieces (6 pairs) Hook earrings: 10 pieces (5 pairs) Stud earring backs: 90 pieces Stud earring posts: 88 pieces The plate part of the stud earring posts is not flat, but slightly concave and rounded. For handmade crafts. I also have other accessory-making and resin-crafting supplies for sale.