I am selling this item because I haven't had a chance to use it, even though I purchased it a year and a half ago and have only used it for testing. It has been adjusted by the Kanga Instruments Tuning Lab, which has further improved its responsiveness. There are some minor, barely noticeable scratches from inserting the shank, but overall, it is in excellent condition with no other scratches or deformations. Retail price around 18,000 yen + adjustment fee JK Josef Klier (Yacht Car) 2EM S.D (Stefan Dohr Model) Cup Inner Diameter: 17.5 Throat Size: 4.2 Cup Shape: U Cup *Includes box and mouthpiece brush