Detail 01
Custom .009 to .042 gauges
They are optimized for C# standard tuning.

Independent shopping perspective
The TI942 Tony Iommi Signature set pairs nickel-plated steel construction with ultra-light tension and custom .009 to .042 gauges. It is optimized for C# standard tuning, with maximum resonance and sustain named as part of its design. Made in the USA with MAP technology, the strings are also described as maintaining tone and resisting corrosion after heavy use. It is a purpose-built set for players pursuing the dark, heavy sound associated with Iommi.

Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
They are optimized for C# standard tuning.
Detail 02
It is described as maintaining tone and preventing corrosion after heavy use.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It is optimized for C# standard tuning.
The strings use nickel-plated steel construction.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.