EUROLITE DEC-90 is a mounting coupler for 35 mm tubes, equipped with an M8 mounting thread for attaching plates and other components. It is made of aluminum casting and has a silver finish. The coupler supports a maximum working load limit of 100 kg and a maximum BGV C1 load of 50 kg. Its dimensions are 10.50 cm in length, 3 cm in width, and 5.70 cm in depth, with a weight of 0.12 kg.