{"product_id":"yamaha-french-horn-mouthpiece-31d4","title":"Yamaha French Horn Mouthpiece, 31D4","description":"\u003cp\u003eYamaha 31D4 horn mouthpiece. Features inner rim diameter 17.28 mm, semi-deep (double- cup) cup, throat 4.50, semi-narrow backbore, semi-flat\/ medium rim. Larger inner rim diameter than the 30D4. Heavy tone and high volume. Relatively flat rim of medium thickness for easy playability.\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":51651604512900,"sku":"YACHR31D4","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/0109\/5812\/files\/yamaha_french_horn_e43d1a54-2e0c-49e6-930f-1461a08d1369.jpg?v=1773957223","url":"https:\/\/mouthpieceexpress.com\/products\/yamaha-french-horn-mouthpiece-31d4","provider":"Mouthpiece Express.com","version":"1.0","type":"link"}