Czech Zeros Glass "O Beads" Mini Flatteted Ring Beads 3.8 X 1 mm Opaque Jet Black 8.1 Gram Tube Czech Glass O Beads, Mini flattened ring / donut shape, also called Czech Zeros Tiny flattened ring bead 3.8mm x 1mm, Hole size: 1.3mm 8.1 grams in plastic tube (approx 270 beads) Top quality glass pressed beads Color: Jet Black