Folks, if you've recently upgraded or renewed your annual club membership but it's still not active, please reach out to the BOD or a moderator. The PayPal system has a slight bug which it doesn't allow it to activate the account on it's own.
I have heard of guys using them successfully, but I'm not too sure I would use them personally. May be me but I'm very leery of harbor freight products.
I bought three sets of the red ones to make it easier to move tanks around. You have to use it properly then it should be good for smaller tanks. I moved my 105g with it no problem.