Lysis Tube B 2.0 is a 2.0 mL tube with screw cap (blue) containing a mixture of glass (90–150 μm), ceramic (1.4–1.6 mm) and one steel bead (3.5 mm) and was specifically developed for efficient disruption of complex samples such as soil and stool using SpeedMill or other homogenizers. Lysis Tube B 2.0 is a 2.0 mL tube with screw cap (blue) containing a mixture of glass (90–150 μm), ceramic (1.4–1.6 mm) and one steel bead (3.5 mm) and was specifically developed for efficient disruption of complex samples such as soil and stool using SpeedMill or other homogenizers.