Premium Material: Made of high-quality plastic, zinc alloy, and iron, these guitar tuning pegs are sturdy and durable, easy to use. Accurate Tuning: These tuning pegs allow for fast and precise guitar string tuning. Reliable Performance: The strings stay securely tuned and do not loosen easily. Equipped with high-quality internal gears, they effectively prevent screw slippage. Compatibility: Designed for classical guitars. Ideal replacement for old or damaged tuning pegs, suitable for standard guitar tuning applications. Specifications: Material: Plastic, Zinc Alloy, Iron Color: Gold Machine Head Spacing: Approx. 3.5 cm (1.4 in) Item Size: 12.2 x 4 x 4.2 cm (4.8 x 1.6 x 1.7 in) Item Weight: 140 g (4.9 oz) Package Size: 15 x 5 x 5 cm (5.9 x 2 x 2 in) Package Weight: 145 g (5.1 oz) Package Includes: 2 x Gold Guitar Machine Heads