DescriptionQuality Materials: The Shower Door Rollers is made of Copper, while the screw is made of stainless steel, ensuring corrosion resistance, rust-proof properties, and excellent overall performance.Strong Bearing Capacity and Stable: The Bathroom Glass Door Rollers Runners has a robust bearing capacity and offers good Stable. Additionally, Sliding Door Pulleys Wheels has a low friction coefficient, good to a quiet and smooth sliding experience.Enhanced Safety: By ensuring that your doors slide smoothly, these rollers help enhance safety by preventing jams or accidents while opening or closing the doors.Easy Replacement:These rollers making it easy to replace old, damaged rollers on your bathroom or kitchen sliding doors.