This is a Fujii Denko Belblock! It seems to be still usable, but it's used, so please judge from the photos! Only those who understand this, please! Keywords: Harness, safety belt, construction worker, scaffold builder, steel frame worker, heavy equipment worker, scaffolding worker, rebar, formwork, carpenter, civil engineering, construction, earthwork, site, high-altitude work, painting, Chikuma-ya, Toyotaya, Taneda, Masuya, Even River, Aizu Frontier, Bartle