Features: Smooth operation: The sliding closet door wheels provide smooth and silent operation, which improves the opening and closing experience of the mirror door. Durable and wear resistant: The garage door rollers are durable, sturdy and solid, and can withstand the wear and tear of daily use and serve you for a long time. Specifications: Material: stamped steel and galvanized with yellow zinc Color: as shown in the pictures Size: as shown in the pictures Package includes: 4 x Mirror door roller assembly Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.