2"x2" table brackets

I wanted to build a worktable for the Lowrider CNC that I was building. I wanted to keep things light, so I decided to build with 2x2's Here in the US a 2x2 (in inches) is actually only 1.5" by 1.5". Anyway, I needed some brackets to help hold things together and keep things square. These work best with 2x2 boards, rather than the 2x2 furring strips which end up being a little loose. I used the "Select" (or premium) boards from Menards, a local home improvement company. I must say they worked g