OOTD Material Good Material: great replacements for old damaged hardware. Guitar body string fasteners fittings are made of thin metal. Function: make the strings vibrate more effectively, improve the resonance and increase the delay, make the sound stronger. Application: fits the back of the body and locates/holds the strings. Very nice steel finish look. Add an elegant feel to your guitar: Professional and practical design with beautiful appearance, add elegance to your guitar. Package Included: The set includes 6 strings to meet your quantity needs in daily life. Specification: Material: Metal Color: Gold/Silver/Black Package Weight: approx.15g Size: approx.11.3x8x6.5mm/0.44x0.31x0.25inPackage Included: 6pcs x Guitar Ferrules SleevesNote: Please allow 1-3mm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!