AP Products 021-51002-16 RV Awning Rail – Insert Required – 16 Ft. – BlackAwning rails feature a slot for attaching your Dometic or Carefree vinyl fabric awning. It allows you to attach a slide-out, patio, or window awning to the side wall of your 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 InfoTypeAwning, InsertLength16 FeetHeight1-1/2″Depth1/2″”C” Channel I.D.3/8″”C” Channel Opening1/4″ColorBlackMaterialAluminumWhat’s Included1x Awning RailWhat’s Not IncludedScrew Cover Screws Putty Tape Caulking End Caps