Vial set Spex agate for dry grinding/mixing, size 2 1/4 inch (5.7cm) diameter x 2 3/4 inch (7.0cm) long, includes all-agate vial body, two slip-on caps, two 1/2 inch (12.7mm) agate balls, and eight corprene gaskets, volume 45mL, grinding load 3–8mL, mixing load approximately 20mL