Description: 【Product Size】: Each pulley measures a total height of 3.4cm/1.34inch and a total length of 6.1cm/2.40inch, with a wheel diameter of 2.5cm/0.98 inch. Suitable for rope diameters ranging from 3 to 6 mm 【Premium Material】: The pulley roller is made of premium Stainless Steel material, high strength, wear resistant, sturdy, not easy to bend and deform, and ensures a long time to use 【High Performance】: Heavy duty groove wheel pulley, has a strong bearing capacity, maximum load 176 lbs, running smoothly and silently 【Easy Installation】: Track rail fixed pulley, easy to install, can be mounted on walls, floors, ceilings, beams, etc., firm and stable 【Wide Applications】: Multifunctional pulley block, suitable for material handling and moving, rope cable cord guides, sliding gates, rolling gates, clotheslines, winches and other DIY projects Specification: Material: Stainless Steel Size Chart: Total Height 3.4cm/1.34inch Total Length 6.1cm/2.40inch Wheel Diameter 2.5cm/0.98 Inch Package Includes:4 Set Pulley Blocks Note: Please allow slightly errors due to manual measurement and different monitors.