SING F LTD 8PCS Shower Door Rollers Bathroom Sliding Glass Door Pulleys Ultra-Quiet Replacement Runners Wheels 25mm Roller Diameter for Shower Door Steam Room

Material: Copper + POM wheel, thickened copper shaft, wear-resistant, no rust, anti-corrosion, making the product more durable and service life longer. | Easy installation, less parts for pulley installation, simple operation and easy installation. | Wheel size: 25mm diameter shower door roller, suitable for glass doors with a thickness of 4-6mm. Provides 15-17mm mounting opening. | Wheel features: Strong bearing capacity, ultra-quiet, stable push-pull light pull, labor-saving, and safe to use. | Suitable for most shower rooms, steam rooms.