Grinding container Spex Mg-stabilized zirconia ceramic lined, steel lid and aluminum dish are lined with zirconia ceramic, puck is solid zirconia ceramic, 6 inch diameter x 3.2 inch high, 13 lbs, 15.2cm x 8cm, 6kg, nominal volume 170mL, recommended grinding load 15-40mL, includes puck, dish with O-ring gasket, and lid