Rectangle Shapes Abalone Shell Necklace Earrings Set Necklace : 16 inches Long + 2 1/4" Extension (total:18 1/4 inches) Earrings:2 inch height x 1/2 inch width French lever(fish hook) Back for Pierced Ears Abalone(Paua) Shell Necklace Earrings Set Lobster Lock with 2" Extender Jewelry Gift Box Included