MULTISIZE COMPATIBILITY: Works with 1/4', 3/8', and 1/2' threaded rods. The impact resistant thermoplastic shell with a steel bearing core stands up to frequent use. Attach to a power drill to convert it into a speed nut driver for quick installation or removal. FAST NUT INSTALLATION: Speeds nut threading on threaded rods. Significantly reduces setup time for supports, conduit racks, and heavy duty fixtures. More efficient than manual methods. VERSATILE OPERATION ANYWHERE: Lets you pull nuts along the rod at any point. Ideal for complex, multi tiered, and overhead installations. Maintains smooth operation in tight angles and awkward positions. INCREASED JOB SITE PRODUCTIVITY: Transforms a drill into a dedicated nut driver, helping you work faster with less effort when fastening multiple nuts. Suitable for contractors, maintenance pros, and serious DIY enthusiasts. USE SCENARIOS: Installing conduit racks in utility rooms Building multi tier shelving in workshops or garages Overhead HVAC ducting or scaffolding installations