Biologix 2 mL Tubes with Zirconia Beads by Biologix are pre-filled homogenizer tubes with versions matched to friable and hard animal tissue, bone, plant parts, seeds, bacteria, yeast, spores and fungi. Packed 100 per bag in packs of 200 or 400 tubes, they support high-throughput sample disruption before DNA, RNA or protein extraction without weighing beads at the bench.