On steel beams with a flange a Steel beam clamp can be installed in order to quickly create an attachment for the edge protection. This creates a free surface on the slab that can be used for other work tasks. The clamp is designed with gripping jaws for the steel beam profile. The steel beam clamp has an integrated attachment for the post. Barrier 2,6 is installed directly onto the post lock and its height can easily be adjusted in order to facilitate different work tasks.