Beads-N-Style Black Hematite & Turquoise Magnetic Therapy Bracelet, Good Health Jewelry MATERIALS: Black & Copper Metallic Magnetic Hematite and Turquoise Picasso Gemstones ENCLOSURE/CLASP: Magnetic Clasp GAUSS: 7.0" length is 10,870 gauss. Each additional inch adds 1,553 gauss. BEAD SIZES: 4mm, 5mm, 6mm BENEFITS: Stimulates blood circulation to ease pain and improve overall health.