With the plug-on corner posts a trench protection can be made of the KRINGS KS 60 simply and fast, with which the partially necessary widenings can be shored e.g. for the installation of a pit from finished units surely and economically.
This system is weel overthought and in conjunction with the KS 60 ideal for creating pipelines and manholes. The dimension of this box or choosen to be compatible with the dimensions of catch basins and small pits. Also topboxes are available to enable work in deep trenches.