Range of products and accessories for the modular assembly of rails or tracks. These are very versatile assembly systems which allow complex assemblies to be carried out in a quick, easy, durable way. They allow the installation and assembly of load bearing or suspended structures, those attached directly to the wall, or to tracks for the attachment of clamps and/or other components. Compatible with the range of clamps of the INDEX catalogue. Recommended for electrical installations, telecommunications, pipelines and supports for cable trays.