78304 Shank Size: 5 P.G. Collet Size: #150 Proj.: 3 7/8 in O.A.L.: 9 3/4 in Diameter: 3 1/4 in Dim. D (min): 3 1/4 in Dim. D (max): 7 3/16 in Max. Dia.: 1 5/32 Nut: 76486 Backup Screw: 64763 Wrench: 64889 A- Proj. B- O.A.L. C- Diameter D- Dim. D E- Max. Dia.