Description: 【Material】: The cable tray roller is made of stainless steel and nylon, with thickened bottom hanging, strong, smooth, wear resistant, and long service life 【Features】: This stainless steel pulley provides smooth and smooth operation and prevents wires from getting stuck, not easy to damage wires, and you can easily operate the adjustable clamp 【Easy to use】: The electrical wire pulling tool is easy to install, saving time and effort, and is more convenient to guide wires, ensuring work efficiency and cable security 【Design】: The wires threading tool adopts a roller design, the shaft will roll with the wire, protecting the wire from wear, and the screw can be quickly adjusted to improve work efficiency 【Application】: The guide helper laying tool has a strong load bearing capacity and adopts a large open design. It is suitable for a variety of cables, meets the needs of large projects, and is suitable for long term use   Specification: Material: Stainless steel, Nylon Size Chart: Ring Diameter 6.5 cm/2.56 inch Clamp Mouth 1.8 cm/0.71 inch Package Includes: 1x Cable Tray Roller Note: Please allow slightly errors 1-2cm differences due to manual measurement.