Surface-mounted, for double-leaf doors in conjunction with DORMA door sequence selectors When a double-leaf door is opened via the inactive leaf, the driver flap mounted on the inactive leaf takes the active leaf with it to such an extent that the support lever or control arm of the door sequence selector can support the active leaf, thus ensuring the correct closing sequence of the door. If a double-leaf door is opened via the passive leaf, the follower mounted on the passive leaf takes the active leaf with it to such an extent that the support lever or control arm of the door coordinator can support the active leaf, thus ensuring the correct closing sequence of the door.For flush doors and doors with a striking moulding up to 12 mm thick and at least 450 mm wide (especially for asymmetrical door units), length 197 mm.Observe standard and application regulations!in conjunction with door coordinator systems, hinge sideMaterial: Steel silver painted RAL 9006Type: MK 396Brand: DormakabaContents (ST): 1.