Terminals, bolts, washers made of stainless steel.

You will not need a repair of this product for a long time.

The housing has a rubber seal - it is sealed.

Fixing hard large washers. This will prevent the antenna to break the case.

This balun is installed and tested in many applications of high power (power amplifiers from eb104). Test real R3KR position also made.

If you want to save, you can buy a transformer 

without

 box. It will be cheaper. Please visit my shop.