Wholesale Prices in Price Matrix. Each ARROWHEAD pendant necklace is strung with shaped and polished 4x5mm drum hematite beads onto a nylon cord with a hematite pendant charm attached to the bottom. Each necklace is fastened with a barrel clasp. Necklace Size - 18". The pendant charm is 1 1/2" x 7/8". The hematite is a man-made non-magnetic stone.