Mustad 3551 Treble Hook - To most people the most important thing about a fish hook is its ability to catch fish, and this is of course also the most important thing for Mustad when designing and developing a hook pattern. In order to make a high-quality fish hook for a specific type of fishing, there are many parameters that have to be decided upon. Such elements decide the particular properties of an individual hook pattern and how suitable it is for a specific type of fishing. Our Treble Hooks feature the standard length and round bend with a ringed eye. Standard Round BendStandard LengthRinged EyeMustad Bend Tested