Whereas this is not exactly a review, I wanted to show you something that I came across while searching for a commercially made bracket that I can use to support a 40 m wire dipole.
At the moment I have a 25 foot pole in the back garden that has a small pulley roller attached at the top. The 40 m dipole is attached to the pulley rope at the centre and is positioned at the top of the pole. However, it's always best to get the centre part as far away from metal as you can. I did think about using a strong shelf bracket to begin with, but I'm not sure if this would really be suitable. So after some searching on the Internet I came across a bracket that has been made exactly for the purpose of supporting a wide dipole. However, it is manufactured in the USA and it just would not be viable to have it shipped over to the UK. So I'm hoping that a company here in the UK will take this project on as I'm confident that this sort of product would sell very well.
I have included a photo of the product that is being sold in the US. You can see that it appears to be very well manufactured and comes equipped with a pulley roller.
If you are in the USA and are looking for this product and you can find it at the following website listed below