Triumph® Jobber Length Drill Bit, General Purpose, Series: T2, Imperial, #72 Drill - Wire, 0.025 in Drill - Decimal Inch, 1-1/8 in Overall Length, 5/16 in Cutting Depth, 5/16 in Flute Length, 118 deg Point, HSS Cutting Edge, HSS, Bright, Applicable Materials: Aluminum/Aluminum Alloys, Wood, Plastic, Soft and Medium Bronze