Got to be the best quality tips I have ever had the privilege to use. I would say vapelab would be the only ones to come close. They are double o-ringed and the machine work and fit is better than the stock tip that came in the kayfun lite V2. The shipping took a couple weeks but it was well worth the wait! Here is their straight bore on my R91 and their fatty on the IGO W-
Drip Tips
Edit-
* I have no affiliation with this Co but they were to cool not to share.
Drip Tips
Edit-
* I have no affiliation with this Co but they were to cool not to share.
