Die-cast aluminium clamp painted black with 16 mm (5/8″) hex seat and 1/4″ and M6 threads. Complete with flat adapter. The clamp weighs 0.5 kg (1.1 lb) and has a maximum load of 15 kg (33 lb). It can be adapted to fit tubes with a diameter of between 15 mm (0.51 in) and 55 mm (2.17 in). This clamp is ideal for professionals who need a practical, robust and easy-to-use accessory.