Deck Screw, 2-1/2 in, Steel, Torx Drive, 350 PK GuardDog's sharp threads quickly engage and penetrate the lumber for quick and easy installation. Fully tested fully guaranteed in pressure treated lumber cedar redwood and chemically treated lumber.
It features a hollow core center it is serrated on its exterior surface and it is black in color.145 (9/64 in.145 Blk This retainer spline has an outside diameter of .
145 Blk This retainer spline has an outside diameter of . Vinyl screen retainer spline like this one is used to hold fiberglass and aluminum screen material to screen frames of both windows and doors..) and measures 500 feet in length.