Pre-tied, and ready to fish. The Bass Pro Shops CatMaxx Catfish Rig consists of a 9 clear monofilament snell with an extra-strong black-nickel circle hook on the business end and a twist-reducing black-nickel crane swivel on the other end. The pound test of the mono is matched to the hook size. Simply attach to your main line. Per 2. Sizes: 3/0 (20 lb.), 5/0 (20 lb.), 7/0 (30 lb.), 9/0 (50 lb.). Color: Black. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Rigs and Components.