D'Addario EFT74 Flat Top mandolin strings are round wound, then precision ground, leaving the outer surface smooth and "semi-flat." This produces a smooth, flattened playing surface, but does not sacrifice the warm tone and sustain associated with phosphor bronze strings. Flat Tops are excellent for recording and greatly reduce finger noise.

D'Addario's advanced manufacturing proccesses enables the use of different materials and methods for string grinding, flattening, polishing, and more. Utilizing these innovative technologies creates a variety of strings that are better suited for particular genres, performance styles, and personal playing preferences.