Power Drill Power Pole Auger Bit, 9 16 in X 29 in no checkout Compatible across the range of Compatible across the range of hole saws Various shank sizes 3 8 inch or 1 2 in drills Short pilot drills and arbors require a 3 1 16 inch pilot bit Long pilot drills and arbors have a pass through shank Hex arbors with non slit jaw slots are positive drive Quick change button Extended thumb ledge Anchored belt clip Wire stripper notch and for multiple timber applications All bits feature 7 16 in adaptable hex shank Simply remove it to use round shank Full length heat treatment guards against bending in heavy duty applications and strengthens the twist where the greatest strain occurs Single spur