Drill Extension, Compatible with Manufacturer Part Number 31342621206, 71700261090, 72704461120, 72704661120, 72704761120, 72705661120, 72705861120, 72705961090, 72706061090, 72706961090, 72707361090, 72725261124, Cutting Depth 4 in, Design Extension 4 in, Shank Diameter 3/4 in. This item has been restricted from sale in the following state (s): []