Features: [High quality] Fast running speed, low noise and low vibration. [Integrated design] Can be used as both shader and liner. [Convenient] Small and light, perfect for professional salon use. [Durable] Keep cool even after a long time use. Ensure a long service life. [Unexceptionable] Stable operation, safe and efficient to use. Specifications: Type: Tattoo Machine Model: 8413 for Black; 8415 for Red; 8416 for Blue Color: Black; Red; Blue (Optional) Material: Iron Running Speed: 6000rpm Starting Voltage: 5V Working Voltage: 8V Item Size: Approx. 8.1 * 7.5 * 3cm / 3.2 * 3 * 1.2in (L * W * H) Item Weight: Approx. 130.9g / 4.6oz Total Size: Approx. 10.3 * 9.5 * 3.8cm / 4.1 * 3.7 * 1.5in (L * W * H) Total Weight: Approx. 146g / 5.1oz Package List: 1 * Tattoo Machine