There is something similar to that built into the mount. Cannot really see it in the photo.
From: Eric Kuhnke Sent: Thursday, March 10, 2016 7:56 PM To: af@afmug.com Subject: Re: [AFMUG] Product leak Instead of a turnbuckle, which you can't turn when tight to the pole, how about a 10" section of two parallel threaded rods used to pull the chain snug? On Thu, Mar 10, 2016 at 6:53 PM, Jerry Head <li...@blountbroadband.com> wrote: Really nice product! How long is it? What would really be sweet is if there were some way to turnbuckle or snap clamp those chains down tight then no lag screw would be needed. On 3/10/2016 6:16 PM, Chuck McCown wrote: Something I am working on. This will fit on a 60 inch diameter pole/monopole (or larger) if you want. It will also fit a 10 inch pole. The pipe is 24 inches long 3.4” dia.