AP Products 021-56202-16 RV Insert Gutter Rail – Aluminum – Black – 16 Ft.Gutter rail is used to channel water away from windows, doors, etc. It helps prevent dark streaks from forming where water tends to run down the sides of the RV.Insert moldings feature a channel that accepts a vinyl insert (sold separately) for covering the screw heads.This molding is made from aluminum and is powder coated black. Aluminum moldings do not rust. These moldings attach with screws, require sealing tape, and optional caulking. (screws, sealing tape, and caulking sold separately)Note: This trim may have minor scratches or scuffs resulting from the manufacturing process.Additional InfoTypeGutter, InsertLength16 FeetHeight1-1/2″Depth7/8″ColorBlackMaterialAluminumWhat’s Included1x Gutter RailWhat’s Not IncludedScrew Cover Screws Putty Tape Caulking End Caps