Warwick Lo-Tune EMP Coated Bass Strings feature Enhanced Molecular Protection - a unique micron-thin coating that protects your bass guitar strings against corrosion. EMP Bass strings feel like uncoated strings, yet last much longer. Now you can have long-lasting bass guitar strings with the tonal output and feel of uncoated bass strings.
One Micron. That's all that separates you from long-lasting bass tone.