1.SBR - NBR Rice Rubber Roller. 2.4",6",7", 8",10",14",20", 28" 3.Brown, White, Amber 4.Cast Iron Drum,Aluminium Details: Chibi Doulbe Lion’s rice rubber roller are made of strong and light iron drum or aluminum drum. The rice rubber roller works steadily with high efficiency, low rate of broken rice;Aluminium drum rubber roller, with its light weight, high concentricity, the wear-resisting ...