Everly B-52 Electric Strings .010-.052 Light, Top-Heavy Bottom/9220 Light top, heavy-bottom string gauges: .010 .013 .017 .032 .042 .052 Everly B-52s with Alloy-52 makes your guitar come alive with brighter, punchier tone.&lt;/ Everly B-52s with Alloy-52 consists of 52% nickel and 48% iron making it very durable and highly magnetic. Make your pickups work harder with Alloy-52.