GCTB175. The GCTB175 Garden Gate Closer from Lockey is designed for use on flush fitting metal and timber gates up to 1000mm width and 50kg weight. This closer is hydraulically controlled, with adjustable closing and latching speed to ensure the gate closes in a controlled manner and reduce damage. It is a sturdy device with a powder coated steel construction and it is easy to install as well as being supplied with full instructions. It also has an optional hold open function and it is ideal for use on garden gates, picket gates, barrier gates & lightweight doors (non fire rated).. Adjustable travel & latching speeds. To suit gates up to 50kg weight and up to 1000mm width. Hydraulically controlled. Easy to install