Grinding container Spex large, hardened steelwith dish, ring, puck, and lid, all made of 52-100 hardened tool steel. 8 inch diameter x 3.3 inch high, 29 lbs, 20.3cm x 8.2cm, 13kg, nominal volume 650mL, recommended load 30-100mL, includes puck, ring, dish with O-ring gasket and lid