.26 gauge is considered medium gauge

Optima Goldbrokat Violin E strings are consistently a top choice for professionals. Choose from original Goldbrokat E's or the new Premium Steel, Brassed, and 24 Carat Gold E strings. Favored for their versatility, projection and consistency, all Goldbrokat E's work well with gut, synthetic core or steel core strings. Formerly know as Lenzner Goldbrokat, they are currently manufactured by Optima Goldbrokat in Germany.