{"product_id":"eisco-resonance-box-with-tuning-fork-and-hammer-indicates-c-e-g-and-c-frequencies","title":"EISCO Resonance Box with Tuning Fork and Hammer - Indicates C, E, G and C frequencies","description":"Resonance box tuning fork.    The steel fork is mounted on a solid wood resonance box.    With hammer For demonstration of basic major chord formation. Consisting of four steel forks mounted on a common box, frequencies C (256), E (320), G (384) and C (512).    Box base measures 11\" long, 4\" wide, and 2.5\" high. Equipped with a rubber stopper at the bottom to prevent the equipment from moving or slipping. \u003cbr\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e","brand":"Mega Shop Japan","offers":[{"title":"Default","offer_id":49027040117056,"sku":"B07SSH99JR","price":143.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/2584\/0704\/files\/41TtkWikEUL._AC_US1200.jpg?v=1718407965","url":"https:\/\/megashopjapan.com\/products\/eisco-resonance-box-with-tuning-fork-and-hammer-indicates-c-e-g-and-c-frequencies","provider":"Mega Shop Japan","version":"1.0","type":"link"}