TOHO Beading Needle Size #10 (0.51x43mm) Stock #ZB-4 * 25 Needles *High Quality Japanese Beading Needles* The size 10 needle is a Super Strong very rigid needle extremely hard to bend or break, can pass through most Toho 15/o beads 3 times and 11/o Toho beads 5- 6 times.