Description: 【Heavy Duty】: Reinforced and thickened design supports up to 150kg, ensuring reliable performance for demanding wiring tasks 【Wide Compatibility】: Enlarged 3.5cm/1.38inch opening accommodates larger cables diameters, suitable for various wire types in complex installations 【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 cables security 【Materials】: Constructed from quality stainless steel and pp for long durability and resistance to wear 【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 Size Chart: opening : 3.5cm/1.38inch inner diameter : 6.5cm/2.56inch Package Includes: 1 Cables Tray Roller Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.