The YW-77 hooks are a very popular shape with many anglers. They are slightly heavier gauge metal than the YS and TS Decoys, but are still very light and still have good salt water resistance. These trebles are often used on for small tropical species when UK anglers are traveling abroard.
The curled in points make the hook better for holding the fish once they are hooked, and the fact that the point is slightly curled in means less snagging on weed and rocks.
The correct replacement hooks for the Patch 100, good quality treble hooks.