Newly R50 rail is the most compact profile in the field of self clamping paper holders. Perfectly display cards, posters, drawings without damaging them. For use at home, in offices, schools, and restaurants. The specially developed rubber clamping profile into the rail makes it possible to hang different paper thicknesses in one. The R50 ceiling rail is produced from high quality aluminum in combination with a rubber clamping inside.  Kit comes complete with everything you need to install 6.5 feet of material.