W.D.2

Be sure to read the Offering Details/ Rules Tab below:

The Deck model 2 features a conical Helleberg style cup, a.375- 9.52mm bore, and 32.6mm I.D. rim. 33.2mm and 33.5mm I.D. rim options are available. The #2 rim is identical to the #3.

This is a huge bore for this style mouthpiece. I'd recommend going with the #1 and have it bored out incrementally if you wish to lower the resistance. If you have an original #2 and like it, this is for you.