Tough micro-organism lysing VK05 - 0.5mm glass beads - 2mL pre filled tubes; Lysing kit for Precellys - VK05 Tough Micro-organisms - 2mL 50 prep. The VK05 matrix is composed of 0.5mm glass beads and is designed for tough micro-organism lysing like yeast, fungi, cyanobacteria, phytoplankton, nematode, spores, micro-algae and more. It ensures optimal extraction yields of DNA/RNA/Protein for samples from 20mg to 200mg of tissue. Compatible with MP Fastprep, Omni Bead Ruptor BR24