Fletching Apprentice - Yanshi - 10.4S/46.4E - Acid Arrowhead
Fletching Apprentice - Rithwic - 10.4N/58.2E - Frost Arrowhead
Fletching Apprentice - Samsur - 2.9S/19.6E - Lightning Arrowhead

Rewards as follows:

Apprentice Fletcher gives you Trade Note (1,000).

You've earned 5,000 experience in your Fletching skill.

Also, in addition to the Alchemy skills - making of lodestones is as follows:

for ex lead lodestone =

mortar/pestle on lead scarab = lead powder
Crucible on lead powder = lead lodestone
The stones are no-drop/no-give

The noodle, infusion & arrowheads can be given to your non-skilled friends, you will receive the trade note but NOT the xp. You can go to multiple apprentices of the same skill, only THE EXACT SAME apprentice will trigger the one week timer.