The JC Custom Ultra series of mouthpieces feature a heavyweight design with cup diameters of 32mm, 33mm, 34mm, and 35mm. The U-shaped bowl has a depth of 50mm.
We will be closing at 4:00 p.m. on Friday, January 22nd, and will be closed all day on Saturday, January 23rd. We apologize for any inconvenience that this may cause.