This listing is a single Demag KBK II-H Suspension Assembly 300mm (11.8")(nominal) only,  part of the amazing modular KBK crane system. 
Size of threaded components = M16.

This assembly in this listing includes only the following parts:
Weight: 4.4 kg (9.6 lb)
Material: Galvanized Steel

Demag system information: 
Images in this listing are stock photos. Pictured crane profile section is not included in this listing. Other components including hoists and profile sections available.