Accents Kingdom Women's Magnetic Hematite Cat's Eye Bead Necklace, 18" Brand: Accents Kingdom Material: Magnetic Hematite Enclosure: Strong Black Magnetic Clasp Finish: Gun Metal Polished Black and Color Cat's Eye Beads, Size: 1/5'' W L: 18" Surface Gauss: Approx 600 - 700 Gauss(Each Magnet)