Paint Pole Mast Adapter

An adapter for a paint pole to accept a 20mm x 20mm box section aluminium antenna boom. There are loads of different thread types. This seems to work with the Harris aluminium 5m pole.

Design files are held on Onshape if you want them.

https://cad.onshape.com/documents/18a0f109e49ea1fecdf20d83/w/8b76795924ccc4cdae2bf800/e/96b64f91283f083885bad7a3