Detail 01
Reinforced UltraCore high-carbon steel core
The core is engineered for added strength and precise pitch control.

Independent shopping perspective
For an electric guitar setup identified with a tremolo bridge, the Fender 1250 UltraCore Regular set pairs a reinforced high-carbon steel core with nickel-plated steel roundwounds and ball ends. Fender positions that construction around steady tuning and controlled pitch in demanding playing, while retaining clear, crisp note definition and balanced sustain. The title identifies this as the Regular version of the 1250 UltraCore set.

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
The core is engineered for added strength and precise pitch control.
Detail 02
It delivers the stated focused clarity, crisp definition, and balanced sustain.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
They are roundwound nickel-plated steel electric guitar strings with ball ends.
The strings use Fender’s reinforced UltraCore high-carbon steel core wire.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.