I bought it to mount a Camsmart shoulder with Follow Focus and a Nikon d800 it and I must admit that I have huge doubts about its durability, plastic seems hyper fragile but at first glance, when it holds even. Then I'll make super careful when handling and complete security of all belt with a house (you never know but I confess that I have no confidence) .... I think this article is designed for small video cameras and compact cameras. No stress test information in the bit information provided by the manufacturer.