SKB drawbridge dock levellers are designed for medium duty applications and to provide easy, flexible loading of lorries up to a height difference of 190 mm from dock height. It is available as a static version, or as a sliding version to run  in a steel guide rail. Additional rails can be fitted to allow the leveller to serve more than one loading position. The SKB guide rail is designed with an open base which prevents the collection of dirt or debris and ensures smooth, easy sideways movement.