Suitable for internal and external opening window with a 1417mm distance between the window frame and the sash.. Rugged and durable, made of stainless steel, long service life, can be used for a long time,built to strict quality control standards,as a artistic appearance and simple structure,very friendly to novices.. Easy to use, durable and thick limit point, 65 degree open and convenient for your use. components are used,so as to ensure its strong function,stable performance.. Multi-turn powerful springs can effectively fix the limit and protect the safety of children.Left side installation, 2.5mm thick and flat bottom plate, firm installation, safe to use at home..
