from the ball end to the start of the taper. These strings have no silk winding at either end of the string. Instrument: 4- String Bass Scale Length: Long Scale (Standard) Gauge Range: 45 - 100 Gauges: 45 , 65 , 80 , 100 Wrap Material:’Cobalt Construction: Round Wound Hex Core / Round Core:’Hex Core Standard / Double Ball End:’Standard Ball End Coated / Non-Coated: Non-Coated Ernie Ball 4-String Cobalt Super Slinky Bass 45-100 Bass Strings 2734 Ernie Ball 2734 Cobalt Super Slinky Electric Bass Strings are round-wound for maximum clarity and serious punch. The Cobalt Series is clearly an improvement on its classic nickel-wound counterpart giving the player increased sustain, clarity and output. In addition, they resist sweat and moisture better and have unmatched flexibility when compared to other nickel wound strings. "Ernie Ball Cobalt Bass Strings are the new standard! Bigger, better tone, sustain and volume. Finally a real innovation with strings." - Randy Jackson "I can't believe how much low end I get out of Ernie Ball Cobalt Bass Strings. Also, the high end is super crisp, seemingly with more definition. Unbelievable." - Dave Larue All Ernie Ball strings are precision manufactured to the highest standards and the most exacting specs to assure consistency, optimum performance and long life. Made in the USA.