The Twin Nails are Dual Sword type weapons.
Monster Hunter Freedom Unite
|Upgraded From||>>||Twin Nails||>>||Upgraded Into|
|Steel Ice Dagger+||Twin Nails+|
|MHF2 and MHFU: Sword and Shield / Dual Sword Tree|
- Good Dual Swords for the end of low rank and even useful for some high rank quests. Its final upgrade is probably one of the best Dual Swords in MHFU.