This is six feet of beautiful, durable JESCAR 18% nickel-silver fret wire, in handy pre-radiused 8-inch lengths.It has a slight radius (arc), which can be adjusted as necessary to match your instrument.The radius is roughly 10.2" This fret wire can be used to repair/replace frets on an existing guitar, or for new instrument building.The dimensions are as follows: Crown Width: .080" (2.2mm); Crown Height: .043" (1.2mm); Tang Depth .050"; (1.2mm).Recommended Slot Width: .023"