Martin Guitar Authentic Acoustic SP MA550 Guitar Strings Set, Acoustic Guitar Accessories, 25 Sets,

Silk-wrapped ends to protect the bridgeIncreased flex for huge bends and less finger fatigueSignificantly extended life with uncompromised tone and feelBody, projection, and increased tuning stabilityBest forFine or vintage instrumentsBeginners and finger-style playingPlayers who don’t change strings oftenRigorous practice and performanceFeaturesSoft silk wrap to prevent wear and tear; added thickness to secure bridge pinsLighter version of our SP core wire with heavier wrap wire; full and balanced tone with increased playabilityPatented anticorrosion treatment; core and wrap wire protectionHigher tensile strength and tin-plated core wire; balanced tone and quicker responseString Materials Available80/20 Bronze, 92/8 Phosphor Bronze, Silk & Steel80/20 Bronze, 92/8 Phosphor Bronze, Silk & Steel80/20 Bronze, 92/8 Phosphor Bronze80/20 Bronze, 92/8 Phosphor Bronze, Silk & Steel BassString Gauges AvailableExtra Light Custom Light, Light Medium Extra Light 12-String CustomCustom, Custom Light, Medium Extra Light 12-String Light, Tommy’s ChoiceExtra Light Custom Light, Light Medium Extra Light 12-StringExtra Light Custom Light, Light Light/Medium Medium Extra Light 12-String Light 12-String Bluegrass Custom