4 Packs Sliding Screen Door Rollers Replacement for Columbia Door, 1" Concaved Steel Ball Bearing Sliding Screen Door Wheels Replacement, Spring-Loaded Screen Door Rollers Replace B 691 and B 695

1" Concave Steel Ball Bearing Tension Spring Rollers: Durable, smooth-rolling sliding screen door rollers replacement for Columbia doors, designed for long-lasting performance. | Adjustable Nylon Housing: Sliding screen door wheels replacement feature a top-mounted Phillips-head screw for precise height adjustment, ensuring a perfect fit for your door frame. | Complete 4-Pack Set: Includes screen door rollers for both the top and bottom of a single screen door panel. For best results, replace all four rollers simultaneously. | High-Density Frame: A perfect replacement for models B 691 and B 695. Please refer to the product specifications and compare them with your existing hardware before making a purchase. | Universal Fit: These sliding screen door rollers for Columbia doors are also compatible with other brands as replacements for similar spring tension rollers.