.08,5 There is 1 product.

A folk guitar string purchased individually that draws 0.85 refers to its diameter in millimeters. This means that the string is 0.85 millimeters thick. In general, acoustic folk guitar strings are available in a range of diameters from 0.010 inch (about 0.25 mm) to 0.059 inch (about 1.50 mm).

The tension of the string is also important in determining its tone and feel. A .85mm guitar string can have medium to high tension, but this will also depend on the material of the string (steel, phosphor bronze, alloy, etc.) and how it is made.