Westward 4UM63 Silver/Deming Drill, 37/64, HSS, 118 Deg by WestWard Tools Type: Reduced Shank, Material: High Speed Steel. Finish: Black Oxide. Flute Length: (In.)3-1/8. Fractional Size (In.)37/64. Material: High Speed Steel, Number of Pieces: 1, Overall Length: (in.)6, Shank Dia. (In.)1/2. Dimension Type: Fractional Inch, Drill Point: 118 Degrees.