10 metre roll of quality 2mm guitar fretwire with 18% nickel content, providing a harder, more durable fret but still efficient to work with. Made in Holland and used by many of Australia’s leading luthiers. Only sold in 10m rolls.Hardness:18% Nickel-Silver.Crown: 2mm x 1.1mm.Tang thickness: 0.5mm.Tang depth 1.65mm (Tolerance /- 0.1mm)Studs: 3mm intervals.