The fret wire made of copper- material,good mechanical properties, thermostable, strong corrosion resistance, Beautiful chrome color, bright tone, delicate and surface, great for new guitar or guitar repair work The 11inch lengths allow you to cut the exact lengths you need. -cutted in 25 pieces quantities, easy of install, Radius is 15inch Great for acoustic & electric guitars, banjos & more Features:Radian guitar fret wire Width: . 2.4mm / 0.09in Length: About 280mm/11inch Colour:silver Material:Copper Package Contents: 25 x Guitar Fret Wire Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.