Crimp beads attach beads and stones firmly to the wire or thread without the need for glue. They are barrel finished and polished with a totally smooth surface and bead hole. The smaller outer diameter of the beads is 1 mm, with an inner diameter of 0.8 mm. This size is suitable for 0.35 mm wire. This size is also available with gold-plating. Larger beads have an outer diameter of 2.5 mm and an inner diameter of 1.2 mm, and are suitable for 0.45 mm wire. Sold in packs of 100.