The GFJ-D28 double 90° external connector, made of die-cast aluminium, is designed to join Green Frame GF-N Ø 28 mm profiles at a right angle, with declared compatibility with the GF-G Ø 43 mm system as well. The double configuration allows connection of two adjacent profiles in a single node, providing structural rigidity to the assembly. Weighing 127 g, it integrates into modular Green Frame structures for workstations, racking, and industrial visual management applications.