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I just gotta say that the folks at Kanstul are pretty awesome. I have been emailing a few different companies about parts for a number of projects that I have right now. Kanstul was the ONLY company that gave me straight ahead answers to all my questions and they responded in a VERY timely manner. If you are looking for parts or services give them a call/email.

Indeed! Jim did a great job on my custom 18-style mouthpiece derived from their stock offering with a different cup diameter, even sending me a computer trace I could see exactly how it would be.