【EFFICIENT ROUTING】Professional electricians and DIY homeowners can easily navigate complex wall conduits during residential electrical renovations. This tool smoothly guides wires around tight bends without manual pulling fatigue or conduit damage. 【DRILL POWERED】Crafted from heavy steel, this orange and silver device works with your electric drill for automatic line pulling. Compact dimensions of 24.5 x 15 cm / 9.65" x 5.91" and 27.5 x 13 cm / 10.83" x 5.12" fit toolbox storage. 【BROAD COMPATIBILITY】Engineered to handle wiring up to 10mm / 0.39 inches in diameter. It prevents wire jamming in concealed pipelines, making it an essential companion for basement wiring projects and complex routing tasks. 【SMOOTH CORNERING】Solve the frustration of stuck wires at elbow joints. The steel mechanism allows seamless passage through curved pipes, reducing installation time during kitchen and bathroom rewiring jobs without damaging the inner conduit. 【PORTABLE DESIGN】The lightweight steel frame ensures easy transport between job sites. Operating seamlessly with standard electric drills, it replaces tiring manual labor, allowing a single operator to complete professional installations effortlessly. Package list: 1x Semi-automatic wire threading machine