Features: Made of qualified material, 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 classical guitars. Ideal to replace your old and dirty tuning pegs and great for guitar tuning. Specifications: Condition: 100% Brand New Material: Nickel-Plated Copper-Zinc Alloy+ Acrylic Weight: Approx. 132g / 4.7oz Machine Heads Spacing: Approx. 3.5cm / 1.4in Size: Approx. 12.2 * 4.2 * 4cm / 4.8 * 1.7 * 1.6in Color: Silver Package list: 1 * Left Machine Heads Set 1 * Right Machine Heads Set 8 * Screw Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List 1Made of qualified material, 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 classical guitars.