Combining a traditional picture rail molding hook with a transparent monofilament perlon cord and the patented STAS smartspring hook gives you an easy and economical 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 10 molding hooks, 10 perlon cords with loop, and 10 smartspring hooks for hanging your picture frames.