Irwin® Hex Shank Drill, 5/32 in Drill - Fraction, 0.1562 in Drill - Decimal Inch, 3-15/16 in Overall Length, 2-1/16 in Cutting Depth, 1 Flutes, Spiral Flute, 2-1/16 in Flute Length, 1/4 in Shank, 135 deg Point, Split/Self-Centering Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Black Oxide, Applicable Materials: Aluminum, Brass, Copper, Wood/Drywall, Sheet Metal, Mild Steel, High Alloy Steel, Stainless Steel, Cast Iron and Plastic