A 11 Basic Analytical Mill Volume 80mL Max Grain Size 10 mm Max Grain Hardness 6 Mohs Max Speed 28 000 RPM Height 9.4 in Width 3.3 in Depth 3.3 in Weight 3.3 lb Voltage 220-230/100-115 Features Moist And Gluey Materials Can Be Pulverized By Adding Water Includes Grinding Chamber Stainless Steel Beater