The abrasive wheel of type VD9 is intended for sharpening the side surfaces of carbide-tipped circular saw blade teeth on Vollmer Dornhan grinders of the following types: Uniläpp, II-450 TS, MF 600, DUO TS (with a Ø75mm wheel). Additionally, on MF 600 and DUO TS grinders, you can also use a Ø100mm wheel