Rotosound UM45 Ultramag Bass Strings 45-105

Rotosound UM45 Ultramag Bass Strings 45-105 Strings for Electric Bass Guitar 45 ? 65 ? 85 ? 105 Rotosound materials expert, John Doughty, explained the science behind the strings, saying: ?With a composition of 52% Nickel and 48% iron, this highly magnetic string will certainly accentuate those middles and lows over their steel counterparts. Designed for use in the aerospace industry and high-end electronics, the low co-efficient of expansion will help maintain tuning in wide ranging environments. With its corrosion resistant properties and its unique blend of sound it is a truly a string for the discerning player seeking that extra tonal character.?