Description: Electric Drill Bit Extension can work with ordinary hand drill and electric drill, and Electric Drill Bit Extension is available to work for some places, where the screwdriver cannot work, and perfect applicability is a great feature of Flexible Drill Bit Extension, because Flexible Drill Bit Extension is compatible with small spanners cordless screwdriver. Specification: Dimension of hexagon shank connecting electric drill: about 0.0635m (1/4)/0.03inch Material: chromium vanadium steel Length: about 20cm/7.87inch Packing List: Electric Drill Bit Extension *1 pc Notes: 1. Due to the lighting effects and filming angles, there is a color difference in the product, please understand. 2. Due to manual measurement, there is a tolerance in the product size. 【Practical Use】: Drill Bit Extension can be used purposely. Because Drill Bit Extension can be used for ordinary electric drill with chuck, or for electric screwdriver (fixture 1/4). 【Strong Applicability】: Flexible Drill Bit Extension is for great charging drill electric screwdrivers use. And Flexible Drill Bit Extension is compatible with small spanners cordless screwdriver. 【Chrome Vanadium Steel】: Bendable Drill Bit Extension is super durable that can be used for a long time. The main reason is that Bendable Drill Bit Extension has chrome vanadium steel material. 【Great Flexibility】: Flexible Shaft Extension Bits with a great flexibility, which is mainly used in narrow spaces, and other places where screwdrivers are difficult to use. 【Use Widely】: Electric Drill Bit Extension can be applied extensively. Because it can be used for computer cases, electrical cabinets, furniture, electrical appliances.