European style designed, Easy to adjust in front side Size1, Size 2, Size 3, Size 4 are provided in same dimension. Slider is optional Dual valve Adjustable closing speed Adjustable latching speed Univesal application, non handed Aplly for all standard installation. MODEL SIZE DOOR TYPE OF DOOR number WEIGHT Heavy screen doors or medium weight BG-2 2 25-45kg interior door of wood or metal light BG-3 3 40-85kg exterior doors and interior doors of BG-4 4 60-85kg woodor metal Exterior doors and eavy interior doors
of wood or metal