{"product_id":"willies-custom-brass-willies-euphonium-mouthpiece-321-621-series-321s-thin-bore-sp","title":"willie's Custom Brass Willie's Euphonium Mouthpiece 321 \u0026 621 Series 321S Thin Bore (SP)","description":"Specially designed for Yamaha YEP-321. Dominate the band with the bright, enveloping sound unique to the V-cup. Rim diameter 25.50 (mm) Throat diameter 7.10 (mm) Approximate size from other companies: Back 5G \n\u003cbr\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e","brand":"Mega Shop Japan","offers":[{"title":"Default","offer_id":49162049028416,"sku":"B087F84GBT","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/2584\/0704\/files\/413Zt8SwNXL._AC_US1200_2ffe8dec-5005-46ed-9aae-68e7d634f6cb.jpg?v=1719153198","url":"https:\/\/megashopjapan.com\/products\/willies-custom-brass-willies-euphonium-mouthpiece-321-621-series-321s-thin-bore-sp","provider":"Mega Shop Japan","version":"1.0","type":"link"}