Features: The antifall design of our cable power bridge pulleys ensures cable safety, significantly reducing accidental damage and maintenance costs. Crafted from durability stainless steel and nylon, these pulleys come in a set of one green and one blue, offering both strength and visibilities for your projects. Ideal for electrical engineers, construction workers, and cable installation and maintenance professional who demand reliability and efficiency. Perfectly suited for use in power bridge systems across industrial plant and construction sites, providing dependable support in demanding environment. Enhances your cable managements system with these high quality pulleys, to withstands the rigors of heavy duty applications while maintaining smooth operation. Specifications: Component:Stainless Steel+Nylon Size:As Picture Shown Color:Green/Blue Package Includes: 2pcs Safety Cable Pulleys note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.