I am an owner of Safety Plus based in Knoxfield Australia. We offers a full range of height safety & roof access systems to keep you safe when working at heights. Our access hatches are made from high quality zincalume steel and are designed with a dual skin construction lid, one hand operated push lock and effortless and smooth opening gas struts. anchor points, static lines, Ladders, handrails, platforms, and roof safety harness systems.