Aircraft Extension Drill, Drill Bit Size 5/16 in, Drill Bit Point Angle 135 Degrees, Split Point, High Speed Steel, Black Oxide, 21 Degrees to 34 Degrees, Material Grade - Machining Heavy Duty, Maximum Drilling Depth 1 1/4 in, Fractional Inch, 4xD. This item has been restricted from sale in the following state (s): []