Saint Gobain FCS7479-A Ribbed SplineSaint Gobain FCS7479-A Ribbed Spline Features:; Used to hold screen material in window and screen doorframes; Black; Carded; FCS7475-A: 0.140" x 25"; FCS7477-A: 0.16" x 25"; FCS7479-A: 0.175" x 25"