Catfish Pro Circle HooksCircle hooks have become more popular in catfishing over the last decade and the Catfish Pro circle hook is a Japanese top quality hook with a proven record having being used to land fish to over 240lb. Some cirecle hook models have a tendancy to open out, but the Catfish Pro circle hook has proven very reliable and strong. Available barbed in sizes 1/0, 2/0 and 4/0 or barbless in sizes 2/0 and 4/0.