Product Incompatible Withmation: V-Shaped Wheel & Agrave; Screw In 45 Steel With Fixed Hole, Wheel Diameter 31 Mm, Load-Bearing 150 Kg. Contains Two Roller Bearings; Carbon Steel Balls.Product Advantages: Sturdy And Durable, Long Service Life. The Structure Is Compact And The Operation Is Convenient. The Surface Is Hot-Dip Galvanized. Hot To Prevent Rust. Easy To Use. High Strength, Good Stability, Low Permeability, Corrosion Resistance Abrasion And Good Stability. Chemical. It Can Reduce Vibration And Operate Smoothly.[Economical Design]: Fixed Pulley Prevents Twisting Of The Rope. Smooth Rollers Ensure Good Rope Movement. The Upper Part Is Firm And The Rope Is Easy To Pull Off. Handle.Tips Compatible With Use: Rotating Pulleys Can Be Used With Ropes Or Ropes Inside And Outside Compatible With Flexible Sliding.[Scene Of Use ] Widely Used In Automated Production Lines Such As Automobiles And Various General Machinery And Equipment. Can Be Used As Fitness Equipment To Home, Fitness Equipment, Pull-Up Bar. Or Pulleys Compatible With Indoor And Outdoor Ropes, Garages, Ropes. Linen, Pulley Systems, Etc.