{"product_id":"willies-custom-brass-willies-trombone-mouthpiece-polaris-series-polaris-large-bore-bass-sp-finish-3g","title":"willie's Custom Brass Willie's Trombone Mouthpiece POLARIS Series POLARIS Large Bore Bass SP Finish (3G)","description":"European type mouthpiece. More detailed sound. Supervisor: Toshihiro Shirahama (Associate Professor, Kurashiki Sakuyo University) SP finish Rim diameter 26.10 (mm) Throat diameter 7.00 (mm) Approximate size of other companies: Back 3G \n\u003cbr\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e","brand":"Mega Shop Japan","offers":[{"title":"Default","offer_id":49162081993024,"sku":"B08762P5RR","price":365.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/2584\/0704\/files\/71IYQQ4vKtL._AC_US1200.jpg?v=1719153432","url":"https:\/\/megashopjapan.com\/products\/willies-custom-brass-willies-trombone-mouthpiece-polaris-series-polaris-large-bore-bass-sp-finish-3g","provider":"Mega Shop Japan","version":"1.0","type":"link"}