Product name: Guitar string tuning pinsProduct size about: 9.5*9.5CM/3.74*3.74INProduct color: As shown in the figureProduct material: ABS+Metalproduct features:1. Brand new and high quality. The tone nails are made of high-quality plated materials, which have high performance of anti-rust, anti-corrosion, stability and durability.2. With these tuning pins, you can tune guitar strings quickly and accurately.3. Bushings for easy installation, The tuned guitar strings will not loosen easily.4. Locking the tuner helps provide better tuning and higher stability.5. Easy to install and easy to replace old guitar tuning nails.Precautions:1. As we all know, different computers display colors differently, the color of the actual item may vary slightly from the following images.2. If you find it difficult to choose the size, you can contact us at any time. We will give you some suggestions but for your reference only.Shipment includes:6 x Machine heads(3L + 3R)