[APPLICABLE] With these guitar tuning pegs, you can tune guitar strings fast and accurately.Ideal to replace your old and dirty tuning pegs and great for guitar tuning. [EASY TO INSTALL] The classical guitar tuners is easy to install and no extra tools required. [HIGH QUALITY MATERIAL] The guitar tuning pegs keys are made of high-grade Nickel-Plated Copper-Zinc Alloy and Acrylic material, wear-resistant, sturdy, durable for long-lasting use. [PACKING LIST] Tuning pegs come with 1 Left Machine Heads Set,1 Right Machine Heads Set;8 Screw. [QUALITY ASSURANCE] Our products are guaranteed by quality. If you have any questions, please feel free to contact us and we will provide you with the perfect solution in the first time. Product Description 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