Do it 6" Spade Drill Bit Extension 390399 (Pack of 4)

B3R2 B1(New) Do it 6" Spade Drill Bit Extension 390399 (Pack of 4)-------------------------------* Tempered steel shank extends 1/4" drill shanks for deep holes and hard-to-reach areas.* Double set screw with hex wrench included.* Fits any drill.Features and further details-------------------------------* Carded.