Vinyl. round, serrated, hollow core. Used to hold screen material to window and screen door frames. Screen spline Round hollow core Serrated For aluminum & fiberglass screening. Specifications: Length: 25 Diameter:. 140 (9/64") Material: Vinyl Color: Gray Features: Screen spline Round hollow core Serrated For aluminum & fiberglass screening. Length: 25 Item Dimensions: 4" L x 9" W x 9" H.
