Designed for fast tightening: Our hex shank nut drivers are designed for 1/4 inch, 3/8 inch, and 1/2 inch threaded rods, making them ideal for pipe framing, support systems, and heavy-duty clamps. Efficient power conversion: Our hex shank nut drivers convert ordinary drill bits into high-speed nut drivers, significantly reducing tubular frame installation time. Flexible and precise operation: Our hex shank nut drivers move smoothly along the threaded rod anywhere, facilitating complex multi-stage installations., Weight: 123.0 pounds, Manufacturer: IJSDNVJNDX