Always have made my own that way i make the nets to the spec that suits me there are net makers on this site (look at top of home page) that sell well made nets at a good price if you don't want to make your own
What ever you decide to do mate don't buy them cheap cr*p bisley 4oz nylon things they are cheap for a reason and that's cos there rubbish GOOD LUCK WITH THE FERRETING MATE