Detail 01
UltraCore reinforced high-carbon steel core
The strings use Fender’s reinforced high-carbon steel core wire, described as engineered for enhanced strength and precise pitch control.
Product detailSKU #1500000484622
Fender4250 UltraCore Bullets Electric Guitar Strings - Medium
1/8
Independent shopping perspective
The Korena take
Fender UltraCore Bullets 4250 strings pair a reinforced high-carbon steel core with nickel-plated steel roundwound construction and Bullet ends for Stratocaster guitars.
Strong match
Who this is for
- Electric-guitar players seeking nickel-plated steel roundwound strings
- Stratocaster guitar players wanting Fender Bullet-end strings
- Players who value refined feel, defined clarity, and dependable tuning stability
Consider the trade-offs
When to look elsewhere
- Players seeking non-roundwound strings
- Players who do not want nickel-plated steel strings
- Players looking for a gauge set other than the listed light or regular options
What matters in use
The specifications, translated
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 02
Nickel-plated steel roundwound wrap
The strings are wrapped in premium roundwound nickel-plated steel.
Detail 03
Bullet end
The set uses Fender’s patented Bullets design for Stratocaster guitars.
Detail 04
Gauge options
Listed sets are 4250L light (.009–.042) and 4250R regular (.010–.046).
Final check
Know before you order
- 01Choose between the listed 4250L light and 4250R regular gauge sets.
- 02Bullet ends are described for Stratocaster guitars.
- 03The supplied product data identifies this as an electric-guitar string set.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What are these strings made from?
They use an UltraCore reinforced high-carbon steel core with nickel-plated steel roundwound wrap.
02Which guitars are the Bullet ends designed for?
The supplied description states that Fender’s Bullets design is for Stratocaster guitars.
03What gauges are listed?
4250L light is .009, .011, .016, .024, .032, .042; 4250R regular is .010, .013, .017, .026, .036, .046.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
6 detailsOther
- Category Source
- detail
- Product Type
- Electric guitar strings
- Tier
- new
- Korena Special
- false
- Source Id
- site51500000484622
- Prop65
- WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov.
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