{"product_id":"martin-ma550s-authentic-acoustic-marquis-92-8-phosphor-bronze-medium-guitar-strings-13-56","title":"Martin MA550S Authentic Acoustic Marquis 92\/8 Phosphor Bronze Medium Guitar Strings. 13-56","description":"Martin Guitar knows a thing or two about pampering valuable instruments. If you're looking for some extra protection for your fine guitar, Authentic Acoustic Silked strings are the right choice for you. They've adding a soft silk wrap to the ball ends of the Authentic Acoustic strings to prevent wear and tear on the bridge and bridge plate as you play. The silk wrap puts a comforting layer of protection in place every time you change your strings. Martin Authentic Acoustic Marquis Silked strings offer thread wrapping for bridge protection, corrosion resistance and excellent tuning stability.","brand":"Martin Strings","offers":[{"title":"Default Title","offer_id":49397347221781,"sku":"KMCMA550SU","price":12.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/MA550S-U.jpg?v=1759819544","url":"https:\/\/unitedsupplycorp.com\/products\/martin-ma550s-authentic-acoustic-marquis-92-8-phosphor-bronze-medium-guitar-strings-13-56","provider":"United Supply Corp.","version":"1.0","type":"link"}