Intended use: Ring gear Ø 198 mm: Drift for driving in the shaft seal for the connecting flange. Ring gear Ø 200 mm (FE): Drift for driving in the side radial shaft sealing rings. Ring gear Ø 210 mm (E): Drift for driving in the side radial shaft sealing rings. Note: In combination with W 203 589 01 14 00 sleeve. W 203 589 01 14 00 sleeve is not required on model 447, 448, 636, 639.