WTS N120 20mm Extension

Used twice. Box included. $300 + shipping. 

Hi Tom,

I see that you are selling a 20 mm and want to buy a 30 mm extension. I had the same issue.

There is another option

https://shop.divingexpress.com/index.php?route=product/product&product_id=3211

https://www.aditech-uw.com/en/shop/4805-nauticam-extension-ring-10-21110.html

Just fix to your 20 mm and its good to go.

Diggy

Thanks for the info, Diggy!  I may go this route.  

Sold