Features: Made of qualified zinc alloy, sturdy and durable, ensure a long time use. The tuned guitar string does not loosen easily. With these tuning pegs, you can tune guitar strings fast and accurately. High quality internal gear, it's effective to prevent screw slippage. These tuning pegs are compatible with 12 string guitars. Ideal to replace your old and dirty tuning pegs and great for guitar tuning. Specifications: Condition: 100% Brand New Material: Zinc Alloy+Copper Weight: Approx. 239g / 8.4oz Size(L * W): Approx. 16 * 3.8cm / 6.3 * 1.5in Tuning Peg Spacing: Approx. 2.5cm / 1.0in Column Diameter: Approx. 0.7cm / 0.3in Sleeve Diameter: Approx. 0.8cm / (Installation Place), 1.1cm / 0.4in(Max.) Package list: 2 * Tuning Peg Set(Each set includes 6 tuning pegs) 14 * Screw 12 * Sleeve Package List 1Made of qualified zinc alloy, sturdy and durable, ensure a long time use. 2The tuned guitar string does not loosen easily. 3With these tuning pegs, you can tune guitar strings fast and accurately. 4High quality internal gear, it's effective to prevent screw slippage. 5These tuning pegs are compatible with 12 string guitars.