Prime-Line 0.165" Dia. x 25' L. Vinyl Screen Retainer Spline is a versatile and essential component 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 securely grip the screen material, ensuring it stays firmly in place within the window or door frame. Its 0.165-inch diameter makes it suitable for various screen sizes, i for both new installations and screen s. This product effectively holds the screen material in position, providing protection against insects and debris while allowing for proper ventilation and clear visibility through the screen. Model Number: P7636