These speaker mounts are brand new and unopened. I have 7 available all in white. 

Tailor-made for DS Surface-mount Speakers

This pole-mount kit from Bose, enables you to securely attach a DS surface-mount loudspeaker to a cylindrical surface, such as a pole or a pipe. A product like this pole-mount kit supplies flexibility and makes installation a breeze.

Bose Pole-mount Kit Features:

Securely attach a DS surface-mount loudspeaker to a cylindrical surface

Works with DS 16S, DS 16SE, DS 40SE, and DS 100SE

Supplies flexibility and makes installation easy