Fit For: Comes with 4 left and 4 right tuners,4 tuning key pegs on a row. The tuning pegs are widely applied for 8 string mandolin. Good Performance: With standard 25mm spacing between pegs, which are suitable for 0.8mm peg holes. Having 1: 14 gear, the button turn 14 turns and the gear turns one turn, which is suitable for fine adjustment of the strings. Fine Workmanship: Excellent workmanship and exquisite outlook greatly improve your instrument appearance. Easy To Use: Also provided with complete fittings, it is easy to install and no extra tools required. Post Spacing: . 2.5cm / 1.0in Suitable for 0.8mm peg holes. Gear Ratio: 1 : 14 size:11cm Material:Steel + Acrylic + Copper colour:Silver Package Contents: 1 * Pair of Tuners (4pcs tuning pegs in a row, 8pcs in total) 8 * Ferrules 10 * Screws Only the above package content, other products are not included. Note: Light 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.