Experience Effortless Saturation with Metrix Signature Hollows. Designed to redefine bold linework, Metrix Signature Hollows feature a revolutionary open-centre configuration that promotes exceptional ink flow while reducing resistance against the skin. By creating space within the grouping, Metrix Hollows deliver smoother saturation, cleaner large outlines, and impressive single-pass performance without sacrificing precision. Perfect for artists who demand powerful lines with a softer touch, these cartridges offer the ideal balance of efficiency, control, and consistency. Key Features: Open-Centre Configuration: Enhances ink flow and distribution. Reduced Skin Resistance: Glides more smoothly for a more controlled tattooing experience. Single-Pass Potential: Creates bold, saturated outlines with fewer passes. Large-Scale Performance: Ideal for bigger groupings, heavy outlines, and high-volume work. Efficient by Design: Engineered to maximise flow while minimising resistance.