Mustad Circle Hooks come in several different designs with the Demon being the feature model. Wire diameter is denoted in strength.
For example, the 1X Strong Demon Circle Hook is lighter than the 2X Strong Demon Circle Hook, which is lighter gauge than the 4X Strong version.
Other designs include perfect or classic circle shapes, in-line or offset points, and a Tuna Circle Hook option. Check the details of each design by model.
Size #1 to #2/0.