Magnetite barrels with black accents and a powerful Neodymium clasp. 12,500 total surface gauss rating.Magnetic Double Strand BraceletSKU: dsb004$40.00PriceSize*SelectQuantity*Add to CartBracelet Fitting InstructionsFor a tighter fit, bracelet should be 1/4" bigger than the size of your wrist. For an optimal fit, bracelet should be 1/2" bigger than the size of your wrist. For a looser fit, bracelet should be 3/4" bigger than the size of your wrist.