Snap & Set Earrings 9x7mm Oval 6 Prong Sterling Silver (3 Pairs of Earrings) Snap and Set Earrings are easy to use "self setting" mountings. Just place your Stone face down on a wood or hard rubber surface, and press the Earring straight down. When you hear the "snap", your Earring is ready to wear! Snap and Set works great on Natural Stones and Cubic Zirconia, but is not recommended for use with Swarovski Stones. Size: Fits 9x7mm Oval Stones * Order this for 3 Pairs