Martin 13-56 Marquis Phosphor Medium

Martin wraps the ball ends of its MA550S Marquis 92/8 Phosphor Bronze acoustic strings with soft silk. The silk helps protect your guitar's bridge and end plate as you play.

These medium gauge strings are made with tin-plated steel core wire and Phosphor Bronze wrap wire.
 

• Product Type: Full Set
• Full Set # of Strings: 6
• Tension: Medium 13-56
• Full Set Material: Phosphor Bronze
• Winding: Round Wound
• Core: Hex
• Full Set by 1st string gauge: 0.013
• Full Set by last string gauge: 0.056