11/16" Diameter Hex Shank Reamer. This spiral flute reamer has a point diameter of 13/32", a flute length of 7-1/8", and an overall length of 11-3/4". Used to align existing holes prior to bolt oor rivet installation. Point is tapered to permit entry into overlapping holes. Short length facilitates use in areas with limited access. Heavy-duty hex shank designed for portable pneumatic tools.