Gauges 9-9, 12-12, 20w-9, 26-12, 36-20p, 46-26. Made from 92% copper, 7.7% tin, 0.3% phosphorus wire wrapped around tin plated hex shaped steel core wire. Has a light orange, gold color and provides mellow, ringing sound, with excellent clarity.All Ernie Ball strings are precision manufactured to the highest standards and most exacting specs to assure consistency, optimum performance, and long life. Ernie Ball is the pioneer of rock and roll guitar strings. Jimmy Page, Eric Clapton, Steve Vai, and Slash are among the long list of Slinky players.

Gauges 13-17-26-35-45-56.Martin SP Marquis acoustic guitar strings are designed for maximum tone and longevity. Ultrahigh tensile strength cores resist breaking. Acoustic bronze finish provides greater string life. The silk wrapping on the end is not only a traditional symbol of quality, but provides tighter seating of the string at the bridge pin and helps reduce wear on bridges and bridgeplates.

Sharp looks come from the Hawaiian Koa-grained HPL back and sides, inlaid rosette, and bow-tie plate while the solid spruce soundboard generates signature Martin tone. Naturally colored Stratabond neck and black Micarta fretboard offer unparalleled stability and resistance to climate changes.