[Cable Tray Roller]: Cable Tray Roller suitable for long term use, ensuring smooth cable pulling and avoiding cable damage [Multi function clamping design]: Wire Pulling Tool can clamp on the inside, outside and corners, and the large circle design provides better compatibility and adapts to a variety of bridges and cable specifications [Strong clamping]: Electrical Wire Pulling Tool is designed to be sturdy, strongly clamp the cable, and is not easy to loosen, ensuring a stable and reliable wire laying process [Quick adjustment]: Auxiliary Wire Pulling Tool butterfly screw design can quickly adjust the clamping force, easy to operate, easy to install and adjust [Smooth Rolling]: Cable Tray Roller, Practicality and beauty,Easy to use forConstruction Site Specification:Material: Stainless steel Size Chart: Circle diameter 6.5cm/2.56inch Clamp 2.5cm/0.98inch Package Includes:1 Cable Tray Roller Note: Please allow slightly errors 1-2cm differences due to manual measurement.