High Speed Steel Chucking Reamer Set with round shanks for use in milling machine, drill press and lathe tailstock chucks to machine holes to exact size. Includes 1/8, 3/16, 1/4, 5/16, 3/8, 7/16 and 1/2 inch sizes from 3-1/2 inches to 8 inches long in compartmented storage case.