HUAALIUCHE 72-Inch Flexible Installer Drill Bit for Pulling Wires, 9/16" Auger with Screw Point & Fish Eye, 3/16" Anti-Slip Shank - Includes Protective Storage Tube for Walls Ceilings Conduits

[Application]:This Fish Bit works great for running wire in finished ceilings and walls with minimal damage [Flexibility]: 72" Models : ▶ Max bend: 90° ( Emergency brief use). ▶ Optimal Bend ≤60° , rotate steadily. [Anti-slip end]:the flex fish bit was designed with a three flat tip shank to prevent slipping in chuck [Pulling Cable]: Drill bits fish eye hole provided near tip of flutes to aid in pulling wire inside wall cavity from either direction after drilling, without damage to the wall [Dimension]:9/16-inch head diameter, 3/16 inch shank diameter, and overall length is 72-inch 【Tips】 1.Use a low speed and a powerful corded drill. Control the torque to prevent overheating, jamming, or damage. 2.For a sharper edge, new bits can be ground to remove the coating. Sharpen them regularly as they dull with use to extend their life.