Ernie Ball Slinky Roundwound 6-string electric bass strings are made from nickel-plated steel wrapped around a hex-shaped steel core wire. Each bass guitar string produces a bright, balanced tone and is manufactured with the freshest and finest raw materials in the beautiful Coachella Valley of Southern California. Designed for basses with a 34 inch scale, the overall string length is 48" and the taper begins at 37 1/4". Gauges .032, .045, .065, .080, .0100 .130.