Description
Rock Formula
Rock Formula delivers deep mid-range and high output with a more aggressive tone.
Built for Rock & Roll
Rock Formula strings are built with a 52% nickel alloy wrap over premium high-carbon steel cores, combining deep mid-ranges and high output with a more aggressive tone.
Why Players Rock Formula
- Deep mid-range
- Maximum output
- More aggressive tone
- Excellent for heavy rock, classic rock, fusion, and progressive rock music
- Made in the USA with premium U.S.-sourced materials
Choose Your Gauge
Lighter gauges provide easier bending and a more effortless feel, while heavier gauges deliver greater output, stronger attack, and increased sustain. Choose the gauge that best complements your guitar, tuning, and playing style.
Electric String Gauges
| Set | 1st | 2nd | 3rd | 4th | 5th | 6th | Nickname |
|---|---|---|---|---|---|---|---|
| 8-38 | .008 | .011 | .014 | .022 | .030 | .038 | 8’s |
| Extra Light 9-42 | .009 | .011 | .016 | .024 | .032 | .042 | 9’s |
| 9.5-44 | .0095 | .0115 | .016 | .024 | .034 | .044 | XL+ 9.5 |
| Light 10-46 | .010 | .013 | .017 | .026 | .036 | .046 | 10’s |
| Medium 11-48 | .011 | .014 | .018 | .028 | .038 | .048 | 11’s |
| 11-50 | .011 | .014 | .018 | .028 | .038 | .050 | Heavy 11’s |
American String Craftsmanship
American String guitar strings are built on more than a century of American string-making experience. With deep manufacturing knowledge, premium materials, and complete attention to detail, we craft strings designed to deliver superior tone, better feel, and longer life.
Ideal For
Pure Nickel is the choice for players chasing the warm, musical voice that defined the golden era of electric guitar. Whether you’re playing blues, classic rock, jazz, country, roots music, or vintage-inspired originals, it delivers smooth highs, rich mids, and the expressive response that shaped countless legendary recordings.
