I will copy -paste what I wrote on ecf guys:
I just made:
510 connector for GGTB (30 of them are gold)
longer pins for GGTB's 901 connector for atomizers or cartos with short center pole
New lower GGTB's buttons
steel window for UFS
They will be ready in about 3-4 days for shipping. I said that they will come much later but I found a little time to make them. I think that this was quick and I hope that all GGTB and UFS users will be a little happier now.