Critical Tattoo - Torque Pen Machine Full KitTattoo with more power, speed, and efficiency using the Critical Tattoo Torque Pen, which features the industrys first Precision Strike Technology. This new technology helps you tattoo faster and more smoothly. This Torque Pen is also built with a powerful German brushless motor designed for more torque and power. Make easy adjustments using a sophisticated battery pack, which features an intuitive LED display. There, you can adjust your voltage, view