Solve Tuning Problem - Make your guitar sound more crisp, solve tuning problems, improve tuning stability. Fits FR,,,DP Style Guitars. Excellent Feature - Help eliminate noise and echoes. Strong steel material with tension and elasticity, sturdy and long service time Easy to Install - No need for other tools, eality replaced and installed to fix in electric guitar, work well. High Wear-resistant and excellent durability. and high quality. color:Red Material:Metal size:65.5 x 10mm Package Contents: 6 x Guitar Bridge Spring 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.