{"product_id":"willies-custom-brass-willies-trombone-mouthpiece-polaris-series-polaris-thick-bass-gp-finish-1-3-4g","title":"willie's Custom Brass Willie's Trombone Mouthpiece POLARIS Series POLARIS Thick Bass GP Finish (1-3\/4G)","description":"European type mouthpiece. More detailed sound. Supervisor: Toshihiro Shirahama (Associate Professor, Kurashiki Sakuyo University) GP finish, rim diameter 26.88 (mm), throat diameter 7.00 (mm), similar to other companies' sizes: back 1-3\/4G \n\u003cbr\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e","brand":"Mega Shop Japan","offers":[{"title":"Default","offer_id":49162083074368,"sku":"B08764211P","price":450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/2584\/0704\/files\/71IYQQ4vKtL._AC_US1200_5ab3c3c3-fb34-4665-b3ce-b3de21acefda.jpg?v=1719153441","url":"https:\/\/megashopjapan.com\/products\/willies-custom-brass-willies-trombone-mouthpiece-polaris-series-polaris-thick-bass-gp-finish-1-3-4g","provider":"Mega Shop Japan","version":"1.0","type":"link"}