BEADNOVA 5 Pcs Silver Plated Oval Spring Ring Connector Clasp Lock with End Caps for Jewelry Necklace Bracelet Material: Copper & Brass; Color: Silver Plated Oval Lock Clasp Size: 16 x 33 mm End Cap inner Diameter: 5mm (2 pcs of 2mm holes inside as image) Quantity: 5 Pcs / Pack Style: Oval Spring Ring Connector Clasp Lock with End Caps