Not very good nets for the money John - If I were you just get a cheap net in that size - I believe Shawnee guy has some 1/4 mesh but don't know diameter
I have a 1/4 mesh Fitec thats a ten footer for catching ghost minnows but it wasn't cheap =
I don't know anything about these guys but they have the size and mesh you want at your price range
http://www.champlinnetco.com/nylon-cast-nets-radius-6-spread-12-1-4-mesh/
Those who would give up constitutional freedoms to elected officials in exchange for a false sense of security, deserve neither freedom or security.