The Martin Marquis MA175S acoustic strings are made from tin-plated steel core wire that's wrapped with bronze wire. This custom light tension set also features a soft silk wrap on the ball ends to prevent wear on your guitar's bridge and end plate.
| Note | Gauge (in.) | Material |
| E/1st | .011 | Plain steel |
| B/2nd | .015 | Plain steel |
| G/3rd | .023 | 80/20 Bronze |
| D/4th | .032 | 80/20 Bronze |
| A/5th | .042 | 80/20 Bronze |
| E/6th | .052 | 80/20 Bronze |