D'Addario Phopshor Bronze Acoustic Bass strings are acclaimed worldwide for their great, long-lasting tone. Phosphor Bronze was introduced to string making by D'Addario in 1974 and has become synonymous with warm and bright, nicely balanced acoustic tone.
 

  Diameter Tension Item# Note inches mm lbs kg PBB045 G 0.045 1.14 47.5 21.54 PBB065 D 0.065 1.65 55.7 25.26 PBB080 A 0.080 2.03 47.4 21.50 PBB100 E 0.100 2.54 40.2 18.23