Norton Rixson 1688 Door Closer Drop Plate for 1600 Series

**Overhead Door Holder - #1688 Drop Plate:

**Top Jamb:For use where aoverhead door holder prevents normal top jamb mounting.This places the center line of the arm mounting screws at3-1/2" (89mm) from the top of the door.

Parallel Arm:Foruse where a narrow top rail prevents the closerfrom being mounted directly to the door surface.This drop plate can be used to mount a closer on atop rail as narrow as 3-1/8" (79mm) in height for1600BC.

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• Norton Rixson Door Closers