Prime-Line 0.155" 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. With a 0.155-inch diameter, it is suitable for various screen sizes and i for both new installations and screen s. This spline helps maintain the screen’s position, providing effective protection against insects and debris while allowing proper ventilation and clear visibility through the screen. Model Number: P7635