4-inch Spring Wheel Door Roller, 3 Holes, Heavy-Duty Door Accessory for Home and Factory Use

1. Sturdy Support: A thickened steel plate with double ball bearings ensures a strong load-bearing capacity. 2. Low Vibration: The spring clamp absorbs shock when the door roller rolls over a bumpy or rough surface. 3. High-Quality Materials: Made of premium rubber and stainless steel, it has high mechanical strength for long-term use. 4. Easy Installation: The 3-hole design allows for convenient installation, which can be completed with fasteners. 5. Versatile Use: Suitable for residential and industrial doors, etc., rolling smoothly without damaging the floor. Specification: Item Type: Spring Door Roller. Product Material: Stainless Steel. Wheel Material: Rubber. Wheel Diameter: Approx. 100 mm / 3.94 inches. Wheel Width: Approx. 25 mm / 0.98 inches. Usage Scenario: For Doors. Package List: 1 x Spring Wheel