Navifoce Color Plated Crystal/ Smooth Ball Clasps Magic Magnetic Clasp Built-in Safety Magnetic Lock for Jewelry Necklace Bracelet (#6 Silver-grey Smooth Magnetic clasp) Quantity: 10pcs per bag Bead Size: Approx. 10mm, Height: Approx. 30G Strong magnetic clasp built-in safety magnetic lock Effortless to connect most jewelry clasps Perfect for necklace, bracelet, anklet, jewelry making