Klein Tools 53718 Flex Bit Auger with Screw Point, 9/16-Inch x 54-Inch Long Flexible Drill Bit / Fish Bit for Pulling Wire Behind Walls - Ship Auger Bits - Amazon.com
Makita B-51873 Flexible Impact Bit Holder, 12" - - Amazon.com
Amazon.com: Makita A-99493 Impactx 7/16″ x 2-9/16″ Magnetic Nut Driver, 10 Pack, Bulk : Tools & Home Improvement