Combining a traditional picture rail molding hook with a transparent monofilament perlon cord and the patented STAS zipper hook gives you the best way to hang your pictures from traditional picture rail moldings (e.g. wooden picture rail). The molding hook is available in three colors: white, chrome or brass/gold and the perlon cords in three lengths: 39", 59" and 78". Product includes 4 white molding hooks, 4 perlon cords with loop 59", and 4 zipper hooks for hanging your picture frames.