... :2000,SGS 4.Centreless grinding.5.Good lubrication with excellent grease.6.Color:self,dark yellow,dark blue ... 8.Type: One side outer plates with attachments,one side inner plates with attachments,one side outer and inner ... with attachments,two sides outer plates with attachments,two sides inner plates with attachments,two sides outer and inner plates with attachments. Double pitch conveyor chain with ...