1. For 0- 180 degree full hydraulic control, with two  sections for controlling the closing speed individually, closing door section 180-20 degree,closing lock section 20-0 degree

2.With a constant temperature fitting, can keep a steady closing speed on the change of the difference in temperature.

3.High quality alloy die-cast body, safe and durable, protected by three layers bright paint, prevent oxidation.

4.For both left or right hand door, can assemble with them.

5.Surface color: silver,golden, cupreous or custom-made.

Suitable for one-way opening door with maximum door plank width of 900mm, weight of 24-45kg.