• Includes 4 heart-shaped magnetic jewelry extensions. • Dimensions of each clasp: 4.40 x 1.00 x 0.40 cm. • Made of alloy with magnetic clasp, durable and long-lasting. • Easy to use: converts necklace clasps into simple magnetic clasps, no additional tools needed. • Ideal for decorating necklaces, anklets, and bracelets, or for repairing existing jewelry. • Attractive design and easy to install, perfect for connecting lobster clasps on your jewelry.