This magnetic hematite necklace is made up of alternating 8mm x 12mm magnetic hematite twist beads and 4mm round magnetic hematite beads. The necklace uses a super strong black epoxy magnetic tube clasp that self-align and lock together when placed about 1/2 inch from each other. This necklace is 18 inches long. A matching bracelet part number MHBR13 is shown in this page.