... 3.Brown, White, Amber 4.Cast Iron Drum,Aluminium Details: Chibi Doulbe Lion’s rice rubber ... 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 ...