Hard tissue homogenizing CK28-R - 2.8mm Zirconium oxide beads - 2mL pre filled Reinforced tubes ; Reinforced Lysing kit for Precellys - CK28-R Hard tissue - 2mL tubes 50 prep. The CK28 matrix is composed of 2.8mm Ceramic (zirconium oxide) beads recommended for hard tissues such as heart, muscle, cartilage, tumor skin, spinal cord, but also for plant roots, rods or seeds like corn, rice, wheat etc. The beads in this kit are placed in reinforced tubes with O-ring allowing high energy grinding. 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.