Chicago-Latrobe Taper Length Drill Series: 120DH, #25 Drill - Wire, 0.1495 in. Drill - Decimal Inch, 5-3/8 in. Overall Length, 3-3/4 in. Depth of Cut, 2 Flutes, Parabolic/Spiral Flute, 3-3/4 in. Flute Length, Tanged Shank, 135 Graduation Point, K-Notch Split Point, Right Hand Cutting Direction, HSS Cutting Edge, Bright, Applicable Materials: Low Carbon Steel, Non-Ferrous Materials and Mild Alloy Steel