By the shape of the head
The head or head is the part of the hook that is on top. It is more often found in the form of a ring, oval, blade or notches. It is for the head that the line is attached to the hook.
With a ring
A round ring usually has a classic hook. It is located parallel to the stem. This is the most common type of head. It is made of thick wire.
With a spatula
The eyelet is formed by riveting the tip of the thread.
With an earring
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Conical lug
This is the conical shape of the wire where the eyelet is connected to the tip. Due to the complex process of applying an anti-corrosion coating, the cone lug is more expensive compared to the regular lug.
Nodular ear
The knotted eye is used on traditional salmon hooks.
Ear in the form of a needle
The ear in the form of a needle is used on tees, in particular, in flies tied on a tube.