This wilson is still made out of round tubing, but I have seen the square tubing one and that is called the dimmond corral and I think that wilson makes that as well. This corral other than that stuctual problem on the right hand side works very well. With the side pens and walk threw gates It...
The pannel that all of the other gates get hung on to. One side hasn't bothered at all. but the other wants to lean and then break the U part of the hinge off.