... drum. The rice rubber roller works steadily with high efficiency, low rate of broken rice; Rubber Roller Character:Hardness is 90 ~ ... three times more than SBR roller at least.Aluminum drum rubber roller, with its light weight, high concentricity, the wear-resisting performance ... amber Hardness Shore A90-95degree BrandRoaring Lion, QiaoWang,Yashi,OEM High Quality Rice Paddy Machine Rubber Roller