1.Professional for reaching dead and narrow parts, beyond the screwdriver can reach the installation or removal of screws. 2.High hardness, rugged, clear , easy to loose Flexible Drill Bit bit holder. 3.Can be arbitrarily bent, suitable for screwdriver, electric screwdriver, pneumatic screwdriver, make work easier. 4.Metal hose, bent 300 degrees, can be rotated in different directions, easy to control., Weight: 0.32518183645 pounds, Manufacturer: Potadak