D=28 mm D2=25.7 mm B=16 mm R=4.8 mm. Schacht Diameter=1/2 inch

D=31.9 mm D2=28.6 mm B=16 mm R=7 mm. Schacht Diameter=1/2 inch

D=38.1 mm D2=34.7 mm B=16 mm R=9.5 mm. Schacht Diameter=1/2 inch