Detail 01
Stainless-steel ribbon flatwound construction
The strings use flatwound stainless-steel ribbon rather than the listed core alone.

Independent shopping perspective
Stringjoy Flyers Heavy sets pair .012–.052 gauges with stainless-steel flatwound ribbon over a hex core. They are voiced for a warm, rounded response while retaining clear high-end presence. The polished, low-friction surface is designed to reduce finger noise, and the balanced string tension supports bends as well as steady rhythm work. For electric players looking for a heavy flatwound set that keeps definition in the mix, Flyers offer that specific combination of feel and response.

Strong match
Consider the trade-offs
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 strings use flatwound stainless-steel ribbon rather than the listed core alone.
Detail 02
The set uses a hex core and is specified as balanced across all strings.
Detail 03
The polished surface is intended to reduce finger noise.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
The Heavy set is .012–.052.
Yes. They use stainless-steel ribbon flatwound construction over a hex core.
They are described as warm and round, with clear high-end presence.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.