Product Use Rice mill emery roller: Used for rice polisher machine to mill the brown rice. Product Features Used for rice polisher machine to mill the brown rice. Feature: 1). low broken rice rate; 2). high white rice yield; 3). high efficiency and low power consumption , especially suitable for processing the poor quality of grain and flour. Technical Parameters Type Outside diameter(mm) Total Length(mm)/Number Insider diameter(mm) Suitable Model NS25 250 600/2 65 NS25 MNMF25 250 600(575)/2 70 MNMF25 TS25