KLOUD City 100 pcs Barrel Screw Type Clasp for Jewerly Making with Organizer / Case / Box Package included 50 pcs silver clasp and 50 pcs goden clasp and 1 pcs case Good for your homemade jewelry or repairing your existing jewelry or making necklaces, anklets, charm bracelets or any craft Clasps fastens the ends of either a necklace or a bracelet together by screwing two pieces together that form a shape of a barrel Diameter:0.125 inch