Chicago-Latrobe Jobber Length Drill, Series: 150 WLP, Imperial, 15/64 in. Drill - Fraction, 0.2344 in. Drill - Inch Decimal, 3-7/8 in. Overall Length, 2-5/8 in. Depth of Cut, 2 Flute, Right Hand Spiral/Wide Ground Parabolic Flute, 2-5/8 in. Flute Length, 15/8 in. /64 in. Diameter x 1-1/4 in. Shank, Straight Shank, 135 Degree Point, Split Point, Right Hand Cutting Direction, HSS Cutting Edge, No Through Coolant, HSS, Bright, Applicable Materials: Alloy Steel, Carbon Steel, Free Machining Steel and Tool Steel