external 47mm - internal 25mm - thickness 12mmfor OEM KNEADER F201/1-VE201/2 for FIMAR KNEADER IM25-IM38 for FIMAR PLANETARY IP10-IP20 for SIRMAN BONE BAND SAW SO3100 for Bone bandsaw (SIRMAN) SO3100 for Kneader (FIMAR) IM25 - IM38 for Kneader (OEM) ..