Dimensions: Total length: 6.5cm / 2.6inch, sleeve outer diameter: 1.7cm / 0.7inch, drill bit: 0.4cm / 1.55inch Material: the wing screwdriver is made of high quality steel, which is strong and durable, rust resistant and strong and hard enough. Function: Simply use an electric drill to turn the wing nut. It can drive all wing nut bolts, hook screws and improve efficiency. Compatibility: 1/4 inch hex handle is compatible with any electric drill, saving labor time and effort. Application: A good helper for installing hurricane shades/panel Christmas lights, string lights, etc. Can quickly disassemble and assemble wing nuts and hooks. Due to problems such as different monitors and light, there may be a certain color difference in color, please refer to the actual product, please understand Shipping Quantity: 3 rooms