Fryma Type MK-180/A Vertical Corundum Stone Mill, Serial #F784358. With 316 Stainless Product Contact Parts. Mill Has Corundum Stone Grinding Element. With Approx. 18" Diameter Conical Product Hopper. Adjustable Grinding Gap. Housing With Mechanical Seal, Cooling Jacket. 11 Kw (15 Hp) Motor.