... 8",10",14",20", 28" 3.Brown, White, Amber 4.Cast Iron Drum,Aluminium Details: Chibi Doulbe Lion ... are made of strong and light iron drum or aluminum drum. The rice rubber roller works steadily ... high efficiency, low rate of broken rice;Aluminium drum rubber roller, with its light weight, high concentricity ... ;Offering very strong bonding between rubber and drum;High shelling efficiency up to 95%;The ...