XL ProSteels are D’Addario’s brightest electric guitar strings. The unique, highly magnetic alloy in ProSteels offers a super bright, crunchy tone, and increased sustain. Made with a high carbon steel core and stainless steel wrap wire, ProSteels produce enhanced interaction with magnetic pickups, creating an extraordinarily bright tone that will cut through any mix. 10-46 Regular Light strings are our most popular gauge, providing a nice balance of tone and playability. Features: - •\tExclusive corrosion resistant steel alloy offers brighter, crunchier tone and increased sustain •\tEnvironmentally friendly, corrosion resistant packaging for strings that are always fresh •\tMade in the U.S.A. for the highest quality and performance •\tString Gauges: Plain Steel .010, .013, .017, ProSteels Wound .026, .036, .046