Chucking reamer comes with straight shank, 0.4870 inch decimal size, 0.4870 inch large end diameter, 0.4870 inch shank diameter, 1-1/2 inch flute length, 4 inch overall length, 4 number of flutes, 6 degree chamfer, 45 cutting direction, solid carbide material, bright finish, bright application and 12.37mm metric size.