20 gauge blunt neede tip for applying adhesives. (Syringes sold seperately).
The 20 gauge tip is the recommened size for use with thinner adhesives such as Gem-Tac. As recommended by the Crystal Ninja herself, award winning master designer Kellie DeFries.
Check out this video clip of Kellie applying E6000 adhesive using a syringe and 14 gauge tip.