Rack And Pinion (Symmetric) Mechanism Door CloserWeight of door: 40-80 KgWidth of door: 850-1100 mmMin. Door Thickness: 45 mmTested & Certified 200,000 cycles in-house labClosing speed: Continuously adjustable closing speed from approx. 120° to 0°Latching speed: Adjustable, works between 10 to 0°Back Check: Adjustable, works between 70° to 120°Door closer power continuous adjustment with an allen key from topHold Open power can be adjusted according to door size and weightDoor Opening Angle 120°Inbuilt Hold Open function in slide railDoor Material: Steel, Wooden, Profile FramedFinish : Silver