68036 Bore: 3/4 in Shank Taper: 30 Proj.: 2 1/8 in Nose Dia.: 1 3/4 in Set Screw Size: 5/8–18 Dim. D: 1 in Draw Bar Size: 1/2–13 A- Bore B- Proj. C- Nose Diameter D- Dim. E- Dim.