Beads-N-Style High Power Magnetic Rounds Bracelet, Arthritis Pain Relief Jewelry MATERIALS: Black Round High Power Magnetic Hematite beads ENCLOSURE/CLASP: Magnetic Clasp GAUSS: 7.0" length is 26,940 gauss. Each additional inch adds 3,849 gauss. BEAD SIZES: 6mm BENEFITS: Reduces pain, fatigue, and muscle tension.