Description: 100% brand new and high quality Suitable for guitar headmachine tuning pegs Special design, rotate quickly and easily by handle Easy to install, durable Material: Zinc alloy Color: Chrome Size Chart: Hole Diameter: Approx. 3.8mm/ 0.14inch L x H: Approx. 18 x 18.2mm/ 0.70 x 0.71inch Package Includes: 6 Pieces Tuning Peg Knobs Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2cm error in size