Prime-Line 0.44 in. W X 4 in. L X 1-7/8 in. D Steel Garage Door Roller

The garage door rollers from Prime-Line feature all-steel construction to provide your garage door with superior strength and lasting durability. They are ball-bearing rollers pre-lubricated in the factory with a steel inner race to ensure that opening and closing your garage is smooth and quiet every time. This type of roller is used by most garage door manufacturers.