Tissue grinding CKMix50-R - Mix of 2.8mm and 5.0mm Zirconium oxide beads - 2mL pre filled Reinforced tubes ; Reinforced Lysing kit for Precellys - CKMix50-R Hard tissue kit -2mL tubes 50 prep. The CKMix50 matrix is composed of a dual ceramic (zirconium oxide) bead type of 2.8mm and 5.0mm in reinforced tubes and is recommended for hard tissues such as bones, teeth, hair. It ensures optimal extraction yields of DNA/RNA/Protein for samples from 200mg to 2g of tissue. Compatible with MP Fastprep, Omni Bead Ruptor BR24.