{"product_id":"willies-custom-brass-willies-tuba-mouthpiece-mk-series-mk-f-ii-sp","title":"willie's Custom Brass Willie's Tuba Mouthpiece MK Series MK-F II (SP)","description":"The cup is hollowed out larger than the inner diameter of the rim, providing both a rich sound and quick response. The narrow throat is optimized for F tubes, but can also be used for less powerful C and B♭ tubes. Supervisor: Masashi Kina (part-time lecturer at Senzoku Gakuen College of Music) Rim diameter 32.07 (mm) Throat diameter 8.14 (mm) \n\u003cbr\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e","brand":"Mega Shop Japan","offers":[{"title":"Default","offer_id":49162107846976,"sku":"B087FJ73QZ","price":440.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/2584\/0704\/files\/61PHMN8wLvL._AC_US1200.jpg?v=1719153634","url":"https:\/\/megashopjapan.com\/products\/willies-custom-brass-willies-tuba-mouthpiece-mk-series-mk-f-ii-sp","provider":"Mega Shop Japan","version":"1.0","type":"link"}