The strands are a set of beads that are strung on a piece of string of any material, knotted at the ends, which measures 41 cm. and is a format for the sale of beads used in the assembly of jewelry, the number of beads you receive by wire, depends on the size of them, for round beads, a good estimate is that each 41 cm. strand will fit aproximately 90 beads of 4mm. in size, 65 beads of 6mm. in size, 50 beads of 8mm. in size, and 38 beads of 10mm. in size, There are other lengths of strands, for example, fine strands of glass are usually 20 cm. embedded threads and sometimes up to 80 cm. long as special promotions, visit our online catalog, there you will find the best prices, best quality and widest variety of strands of all kinds... get it in MineraliA!