Fangrui Product Details Heavy-duty Support: Constructed From Robust Carbon Steel, These Roller Casters Can Handle Substantial Weight, Making Them Ideal For Furniture And Heavy Equipment. Enjoy Reliable Performance Under Demanding Conditions With A Load Capacity Of Up To 400 Lbs. Smooth 360-degree Rotation: Precision-engineered For Fluid Movement, These Conveyor Casters Offer Seamless 360-degree Rotation. Reduce Friction And Enhance Maneuverability For Efficient Directional Changes, Improving Productivity And Convenience. Suitable Size: The 1-inch Size And 0.2-inch Mounting Hole Diameter Offer Versatility For Various Applications. This Standard Size Ensures Easy Installation Without Compromising Functionality, Making It Ideal For Different Types Of Users. Easy Installation: Designed For Straightforward Mounting, These Conveyor Belt Bearings Attach Securely With Standard Screws. The User-friendly Installation Process Saves Time And Ensures A Stable Fit On Multiple Surfaces, Enhancing Usability. Wide Application: For Impro Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.