Cobalt Czech Glass Two Hole Tiles have rounded edges that help prevent thread from fraying. The Two Hole Tiles are drilled twice with parallel holes to allow for more durable weaving and more interesting design possibilities.
2-hole Cobalt Tiles specifications:
Category: 2-Hole Beads
Material: Czech Lead-Free Glass
Measurements: 6x6mm, 2.5mm thick
Hole size: 0.812mm, fits up to 20 gauge wire or thread