Look at the pictures. It has scratches form carrying around and used as a salespersons sample. No marks where the screws would be applied and screws are still in the bag. As you can see it has never been installed. Spring Stop Door Saver applied.

Dorma S-DST Arm for 8900 Series Closers 

Arm S-DST, door saver spring cushion thumb turn hold open parallel Arm.

• Spring Stop Door Saver Parallel Arm
• Hold-Open
• Heavy Duty
• Used with: 8600, 8900 or 7400 series closers

Dorma MOD-S-DST is a parallel arm with a spring assisted dead stop function designed for heavy traffic applications. Its hold-open function allows the door to remain open at the selected degree of opening until it is manually closed.

List $338.00