Used in non-repeatable quest, Recycling Rods.
Reward: 1500 gil
Speak to Keshab-Menjab at the lower level of (H-9).
Head to Bibiki Bay - Purgonorgo Isle and fish up a Lancet Jagil.
Lancet Jagil seems to like Minnows as bait, but other baits may work as well.
Defeat Lancet Jagils to obtain a Cleanly Snapped Rod.
Return the rod to Keshab-Menjab to complete the quest.