Superior Brass Door Knob on Plate Bitkey Hole - Available in Various Finishes Colour or Finish:Polished Chrome Hold open range if equipped

Hold open range if equipped with hold-open arm

3dB (Adjustable)

1 x Cylinder

No keys Required

Superior Brass Door Knob on Plate Bitkey Hole - Available in Various Finishes Colour or Finish:Polished Chrome Hold open range if equippedSuperior Brass Door Knob on Plate Bitkey Hole Bitkey is a type of Knob on a backplate consists of a lever with a keyhole cut just below it. Bitkey Entrance Function allows a key to be inserted into the door to control a mortice sash lock. Just the like the lever latch, the door can be opened and shut by knob, but it can also be locked with a key. Features: Patented SS Ball Bearing Mechanism Specifications: Material: Solid Brass Plate Height: 200mm