Over 300 types in stock! Czech faceted 4mm fire-polished glass beads are incredibly versatile. They can be used in stringing, bead crochet, bead weaving and other types of projects, and come in an amazing array of colours and finishes: there is everything from matte to high sparkle. 4mm in length and width, hole size is approximately 1mm, but we do not recommend using stringing material thicker than 0.4mm. Czech 4mm fire-polished beads come in bags of 50.