Irwin Speedbor 6 in. Steel Wood Boring Bit Extension 1/4 in. Quick-Change Hex Shank 1 pc - Ace Hardware
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Rack-A-Tiers 54-In Drill Bit Extension for 3/16-In Auger Piranhabits Shaft (Rack-A-Tiers FIBEX54) | HomElectrical.com
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Hotop 4 Pieces 1/4 Drill Bit Extension Set Wood Spade Drill Bit Extension,6 and 12 Inches Spade Drill Bit Extension with 2 Pieces Key,Use with High-Carbon Steel Wood Spade Bits - Amazon.com
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