Prime Line Products P7645 Gray Spline - 0 .250 in. x 25 Ft., Prime-Line, Mfr#: 8040032

Features Round, hollow core and serrated, used to hold screen material in window and screen door frames. Use for aluminum and fiberglass screening. Color – gray Size – 0 .250 in. x 25 ft. Item weight – 0.7 lbs.