Vessel Spex polystyrene vial for wet or dry mixing of liquids and powders, size 2 1/8 inch (5.4cm) diameter x 2 1/2 inch (6.7cm) long, polystyrene body with plastic screw-on cap, volume 135mL, mixing load approximately 50mL, for use with SPEX SamplePrep 3112 or 8006A methacrylate balls, pack of 100