1. Easy Installation: Effortlessly install low-voltage and network cables with no twisting or obstacles using this auxiliary device made from tough 45 steel and a smooth roller bearing bracket. 2. Supports Multiple Cables: Made with sturdy, impact- wheels and deep cable grooves, this cable pulling aid can comfortably support up to 20 CAT6 network cables with its smooth, reliable, and friction-free bearings for effortless cable pulling each time! 3. Extra Sturdy Bracket Design: The between the bracket shoulder and the outer edge of the roller is only 0.015Inch. This tight tolerance of pull wire assistant helps prevent cables from caught or attempting to skip over the pulley edge, ensuring long-distance cable pulling! 4. Secure Attachment: The robust spring clamp design of pulling auxiliary device allows for easy attachment to junction boxes while keeping the cable aligned with the pulling direction, eliminating obstacles and twists during 90-degree turns! 5. Convenient and Safe Assembly: Featuring a detachable bracket design of electrician fast threading tools that is easy to disassemble after installation, with no need for twisting or loosening at either end. By keeping you away from ladders when unwinding cables, our pulley helps you work smart and safely. Power Type: Manual Product size: about 278.00x75.00x40.00mm Product size: 10.94x2.95x1.57inch Power classification: Manual feed Colour:Silver Material:steel Package Contents: 1 * Pull wire assistant Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.