Offshore Anglers Double-Strength Split Rings are 2X heavy-duty stainless steel rings that aid in replacing hooks on lures for big game fish. Double the strength, double the toughness. Per 20. Sizes: #3 (60 lb.), #4 (80 lb.), #5 (100 lb.), #6 (120 lb.). Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Split Rings.