Detail 01
Multi-strand high-carbon steel core
Supports the flexible response and range described for the string.

Independent shopping perspective
Built for violas with a 16-inch-or-longer scale, the H412 is a medium-gauge D string from D’Addario’s Helicore line. Its multi-strand high-carbon steel core is paired with alloy winding for flexible response, fast bow response, and projection. The all-metal design is made to remain stable when humidity and temperature change, while delivering the warm, rich character associated with the line. It is a practical replacement choice when you need a long-scale viola D string with a stated long playing life.

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
Supports the flexible response and range described for the string.
Detail 02
Contributes to quick bow response and projection.
Detail 03
Designed to resist changes caused by humidity and temperature fluctuations.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It is for violas with a 16-inch or longer scale.
It uses a multi-strand high-carbon steel core.