The bass string set players trust everywhere. D’Addario EXL170 XL Nickel strings in 45-100 Regular Light are D’Addario’s best-selling electric bass strings and its most popular bass gauge. They give a bright, tight sound with clear fundamentals and smooth playability for almost any style.
Why customers choose it
Who it is for
Four-string bass players – beginners, students, church and worship bassists, and gigging players in rock, pop, funk and more – with a long-scale bass.
Specifications
| Set | EXL170 XL Nickel Wound, Regular Light, Long Scale |
|---|---|
| Gauges | .045, .065, .080, .100 |
| Tension per string | G 42.5, D 48.4, A 40.1, E 34.7 lbs |
| Number of strings | 4 |
| Wrap | Nickel-plated steel, round wound |
| Core | High-carbon steel Hex-Core |
| Scale | Long scale |
| Coating | Uncoated |
| Made in | USA |
| Instrument | Electric bass guitar |
Good to know
- This is the long-scale set; D’Addario also makes a short-scale version (EXL170S).
- Change one string at a time to keep neck tension even.
FAQ
Is this the right gauge for a beginner?
Yes. 45-100 Regular Light is D’Addario’s most popular bass gauge, chosen for its blend of response and playability.

























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