The Magic (RKSM) efficient cable tray system is the world's first completely screwless tray system. The RKSM has a 7 x 20 mm beaded longitudinal base perforation for bracket mounting. From a width of 200 mm, a 7 x 32 mm cross bead improves cable ventilation and makes installation easier. The 11 mm center perforation enables direct threaded rod suspension and a continuous 7 x 20 mm side perforation serves as a connector perforation. All system components and tray types are equipped with the innovative Magic plug connection, from the tray to the molded part. The combination of both advantages makes installation easier and saves time. Continuous potential equalization is guaranteed without additional components. The Magic longitudinal connector set (to be ordered separately) enables the Magic cable trays to be combined with conventional OBO cable trays of the same width. The magnetic shield attenuation is 20 dB without a cover and 50 dB with a cover.