Description: 【 Ceiling Installation Tool】This extended integrated ceiling socket is designed specifically for horizontal ceiling installations, featuring a hex shank for electric screwdrivers 【Stainless Steel Construction】Made from quality stainless steel, this socket is built to withstand wear and tear, ensuring long time use 【Professional Accessories】The socket can be mounted on electric drill and air screwdrivers,allowing for more efficient work without manual nut tightening. The fixed design of the socket and connecting rod ensures stability during use 【Hex Shank Compatibility】With a 6.35mm hex shank, this tool fit for various electric drill and air screwdrivers, offering versatility in different applications 【User Guidance】Please select the appropriate socket based on the diameter of the screw rod and nut specifications, ensuring that the head diameter can fit into the keel if necessary Size Chart:length 16.8cm/6.61inch Package Includes: 1 Power Nut Driver Socket Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.