Magnetic clasp makes putting on and taking off necklaces effortless. The magnet is very strong. Simply clasp the magnetic clasp to the end of the necklace. Please view additional image showing extension clasped to necklace. Lobster clasp measures 9mm long and is 5mm across. Total barrel clasp measures 1" including clasps and jump ring on the end.

Material Content: sterling silver, precious rhodium (platinum) plating