STAS zipper for flexible picture hangingThe STAS zipper can carry loads up to 22 lbs/10 kg, when used in combination with a STAS cobra + white steel cable, 33 lbs/15 kg when used on a perlon cord or 44 lbs/ 20 kg in combination with a regular steel cable. Warning: product price is for a zipper only. Use with complementary perlon cord or steel cable, picture rail and mounting materials. How does the STAS zipper work? After selecting a rail, choose a cord to hook into the rail and a zipper hook to slide over the cord to the desired height. The cords and hooks on this page can be combined with all STAS rail types, with the exception of STAS j-rail, STAS j-rail max and STAS plasterrail. .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }