Toho 8/0 Round Japanese Seed Bead, TR8-740, Copper Lined CrystalToho 8 0 round Japanese seed beads have a very consistent shape and size. They are designed to have a larger hole than other seed beads that allows for even more pass throughs for thread. The larger hole also creates lighter beads which give you more beads by weight. Details Color: Transparent Crystal Material: Glass Size 8 0 measures 3mm in diameter with about 13 beads per inch Approximately 40 beads per gram Quantity: 17 grams packaged in 4 inch