Home  > Guitar Strings By Brand > Martin & Co Strings   You are in Martin & Co Strings   Below are all the products in this category.   (Includes featured products) Martin & Co Clapton's Choice Guitar Strings Clapton's Choice Guitar String medium .013 - .056. Product SKU: MEC13   $ 6.49 Martin & Co Extended Life SP+ Guitar Strings Martin SP strings are gauged for flat or finger picking styles and offer dynamic response and brilliance. Product SKU: MSPLUS3100   $ 11.99 Martin & Co M1100 Marquis Guitar Strings Martin Acoustic Marquis 80/20 Guitar Strings. Product SKU: M1100   $ 6.49 Martin & Co M140 6 String Martin Bronze Guitar Strings The Martin Bronze acoustic guitar strings series are best sellers for Martin & Co! Product SKU: M140   $ 7.99 Martin & Co MDISPLAY0001 Clapton's Choice Display Display comes with 48 sets of MEC12 and 24 sets of MEC13 strings. Product SKU: MDISPLAY0001   $ 399.99 Martin & Co MSP3000 SP Acoustic Guitar Strings Box comes with 12 strings. Product SKU: MSP3000   $ 7.99