Non-Magnetic Synthetic Hematite Beads Strands, Grade A, Round, BlackSize: about 3mm in diameter, hole: 0.8mm, about 123pcs/strand, 14.9 inch.These lustrous, metallic looking non-magnetic hematite will enhance your jewelry a inchsofter inch look and a smoother feel. You can linked these chains to be a necklace. The non-magnetic hematite beads can be used as separate extenders and dangles. Design your own jewelry as you want.