Product Information CRB-2 Specs Equipment Hacoba Flange Dia. (in.) 2.59" Flange Dia. (mm) 65.78mm Traverse (in.) 4.07" Traverse (mm) 103.38mm Barrel OD (in.) 1.34" Barrel OD (mm) 34.03mm Bore Size (in.) .65" Bore Size (mm) 16.51mm Request Info