For sample grinding with 15 ml Falcon tube Pestles for handy homogenizer system. These pestles fit Falcon 15 ml conical tubes perfectly, and are resusable with autoclave and chemicals due to material, PCTFE and/or PTFE. High-level torque type 23M-R25 mixer (Cat#ISO-23M-R25) is recommended touse (sell separately).

Features and Advantages: - Ultra hard PCTFE polymer tips insure smooth grinding surface, long life, heat and chemical resistance

- Fully autoclavable

- Perfect fit for 15 ml Falcon tubes