Prime-Line 0.120" Dia. x 25' L. Vinyl Screen Retainer Spline is a versatile and essential component designed for installing or repairing window screens made from materials such as aluminum or fiberglass. Crafted from high-quality vinyl, this spline features a round, hollow core with serrated edges that effectively grip and secure the screen material firmly within the window or door frame. With a 0.120-inch diameter, it is suitable for various screen sizes and works well for both new installations and screen s. This retainer spline ensures that the screen material stays securely in place, providing reliable protection against insects and debris while allowing for proper ventilation and clear visibility through the screen. Model Number: P7630