Mens bracelet made from semi-precious stone with sterling silver ends and clasp. The black beads are black onyx stone and measure 4mm across. The disc sections are magnetic silvertone hematite and measure 6mm across. The beads either side are gun-metal grey hematite. Hematite is the mineral form of iron. The bracelet is 8.5 inches in length as standard. If you need a different length please mention it in the Comments About Your Order box that appears during the checkout. This mens bracelet is handmade in England.