I've used 80/20 for a number of projrcts, but for a larger project I found this steel square/rectangular tube system from Flex Craft works well. No relation o

I've used 80/20 for a number of projrcts, but for a larger project I found this steel square/rectangular tube system from Flex Craft works well. No relation other than satisfied customer. The people are also great to work with. [0] flex-craft.com