Elixir OPTIWEB Electric Guitar Strings. 16249 .049 gauge Coated to resist rust than regular strings. Crispy sound like a non-coated string. A natural grip like a non-coated string. Smooth playability improves playability. Shipping by mail bin and will be sent in a few days. Here are sample gauges for each set. Electric Guitar 09-42 Super Light / .009 .011 .016 .024w .032w .042w 09-46 Custom Light / .009 .011 .016 .026w .036w .046w 1046w -46 Light / .010 .013 .017 .026w .036w .046w 10-52 Light Heavy / .010 .013 .017 .032w .042w .052w 11-49 Medium / .014 .018 28w .0 38w .049w