Description: Strong Load Bearing Capacity: Heavy duty sliding door rollers with 1 1/4" ball bearing wheels, has a trong load bearing capacity, smooth sliding and low noisePremium Material: The sliding patio door rollers are made of premium aluminum alloy material, wear resistant, sturdy, not easy to break and deform, and ensures a long time to useSide Adjustable: The sliding door rollers features a side adjustment, suitable for the bottom of sliding doors, offering smooth movement and reducing frictionWide Applications: The sliding door rollers are suitable for patio doors, glass doors and other sliding doors, ensuring smooth and efficient movementEasy Installation: The sliding glass door rollers are easy to install and adjust, directly replacing your broken or old sliding door rollers Specification: Material: Aluminum Alloy Size Chart: Axis diameter 6mm/0.24inchWall thickness 1.2mm/0.05inchRope groove radius 2.56cm/1.01inch Package Includes: 2 Sliding Door Rollers Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.