MVS-1046, Medium Blended Nickel Electric Gauge. .010, .013, .017, .026, .036, .046. Medieval Strings are exposed to drastic temperatures to make the metal smoother and more roadworthy for the guitarist looking to change strings less often. Blended nickel incorporates quality alloys with a patented tempering process that make each string perform. Modern technology emulates what the ancients invented centuries ago.