Vial set Spex tungsten carbide for wet or dry grinding/mixing, vial size 2 1/4 inch (5.7cm) diameter x 2 1/2 inch (6.35cm) long, set includes tungsten carbide-lined body, two screw-on tungsten carbide-lined caps, two 7/16 inch (11.2mm) tungsten carbide balls, and eight corprene gaskets, volume 55mL, grinding load 3–10mL, mixing load