SCREW - RT COMPOSITE TRIM HD - #8 x 2" HANDY-PAK ***WHITE*** T10 (GRK #17628) | RT Composite trim head screws allows you to install right the first time. For use in exterior composite trim, cPVC, door and window jambs and composite decking. For use in interior and exterior conditions and the GRK Climatek coating is approved for use in treated lumber.