4 Pack 3 Inch Garage Door Pulley Kits With Heavy Duty Steel Pulleys, Zinc Galvanized Wheel Replacing Old Rollers, Three Eighths Inch Holes, Fits Most Doors, Durable, Easy Install, Best Garage Door Fix

4-Pack 3-Inch Garage Door Pulleys with Zinc-Galvanized Wheels
✔️ 4 pieces, 3-inch (76 mm) pulleys, 3/8 inch holes, galvanized steel

These heavy-duty pulleys replace worn or noisy rollers on most standard garage doors, barns, gyms, and weight machines. The zinc-coated steel wheels resist corrosion while delivering smooth, quiet operation during opening and closing.

✅ Wheel diameter: 3 inch (76 mm) sealed ball bearing
✅ Hole size: 3/8 inch (9.5 mm)
✅ Surface: galvanized steel with zinc coating
✅ Thickness: 1.2 mm
✅ Package contains: 4 pulleys

💡 What is a garage door pulley used for and why replace worn ones?

- Handy for guiding cables and reducing stress on the opener
- Sealed ball bearing design improves longevity and smooth action
- Easy replacement saves time and reduces risk of big repairs
- Works with many doors including garage, barn, gym, and weight machines