Double-ended Pestle for Microcentrifuge Tubes, L 152 mm (6 in.), Tip Flat Bottom, SP Scienceware (CAT#: STEM-L-3113-LKN)

The 3.2 mm stainless steel shaft carries a nylon pestle at each end. One fits standard 0.5 mL microcentrifuge tubes, the other fits1.5 mL tubes. It may be hand-held or mounted in a motor-driven chuck.