XL Nickel Wound electric guitar strings are the standard against which all other strings are measured. Our best-selling electric set, XL Nickel has been revered by players everywhere since 1974. Made with a high carbon steel core and nickel-plated steel wrap wire, XL Nickel strings have a bright, versatile tone, ideal for a wide variety of musical styles. This 10.5-48 Regular Light Plus set is the ideal step-up to transition from 10 to 11 gauge sets, and is great for balancing tension between various scale length guitars.