Feature: This cable guide roller provide smooth operations and prevents wire snags, while the adjustable clamp designs allows for easy operations and tightness controlEasy to Use: Using the screws, the tray can be installed, Simple and convenient, save your time, much more convenient for leading the wires, with the screw easily adjusting the cable tray position and directionDesign: Axle design, the axle will roll with your wire, protect your wire from wearing. In form semicircle and laying cableApplication: Whether you're working on a building site, setting up electrical systems, or handling diyer projects, our cable tray roller adapts to various environments, including inside tracks, outside tracks, and cornersMaterial:The cable tray roller is made of nylon, a must having wire tray pulling roller that ensures efficient and damage frees cable laying Specification: Material: Nylon Size Chart: Diameter: 6.5cm/2.56inch Package Includes: 1xCable Tray Pulley Roller Note: Please allow slightly errors 1-2cm differences due to manual measurement.