{"id":2105,"date":"2026-02-16T17:59:14","date_gmt":"2026-02-16T17:59:14","guid":{"rendered":"https:\/\/stonefortmusic.com\/?post_type=product&#038;p=2105"},"modified":"2026-02-16T17:59:32","modified_gmt":"2026-02-16T17:59:32","slug":"grover-professional-mandolin-f-style-nickel-set-8-4-4-on-plate-w-black-button","status":"publish","type":"product","link":"https:\/\/stonefortmusic.com\/index.php\/product\/grover-professional-mandolin-f-style-nickel-set-8-4-4-on-plate-w-black-button\/","title":{"rendered":"GROVER PROFESSIONAL MANDOLIN &#8220;F&#8221; STYLE NICKEL SET 8 4 + 4 ON PLATE W\/  BLACK BUTTON"},"content":{"rendered":"<p>These new, professional model mandolin machine heads are the latest in technology. A specially designed, adjustable worm gear along with the die cast base maintains the center lines of the gear and worm to insure correct alignment for the finest tuning possible. The worm to gear ratio is 18:1.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PROFESSIONAL MANDOLIN &#8220;F&#8221; STYLE NICKEL SET 8 4 + 4 ON PLATE W\/BLACK BUTTON<\/p>\n","protected":false},"featured_media":2135,"template":"","meta":[],"product_brand":[],"product_cat":[174],"product_tag":[],"class_list":{"0":"post-2105","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-tuning-machine-heads","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>GROVER PROFESSIONAL MANDOLIN &quot;F&quot; STYLE NICKEL SET 8 4 + 4 ON PLATE W\/ BLACK BUTTON - Stone Fort Music | Manchester, TN<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/stonefortmusic.com\/index.php\/product\/grover-professional-mandolin-f-style-nickel-set-8-4-4-on-plate-w-black-button\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GROVER PROFESSIONAL MANDOLIN &quot;F&quot; 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