This Prime-Line screen retainer spline secures fiberglass and aluminum screen material into window and screen door frames. Made from top-quality vinyl with a round, hollow core and serrated exterior, it provides a secure grip to keep screens firmly in place.

• .140" diameter x 25 ft length
• Top-quality black vinyl construction
• Round profile with hollow core and serrated exterior
• Compatible with aluminum and fiberglass screening
• UV stabilized for outdoor durability
• Holds screen material securely in window or door frames