The M3 Reusable Metal Cosmetic & Research Pen Kit is built for users who value precision, durability, and a clean, professional setup. Crafted from premium aluminum alloy, the M3 pen features a smooth, controlled dial with clear 60IU markings, allowing for consistent handling of serums, peptides, and research liquids during performance or hobby focused routines. This reusable pen offers a stable, high quality alternative to disposable tools, giving users a reliable way to measure and dispense small amounts of liquid with accuracy. Each kit includes a metal M3 pen, glass vial and three 32G 4mm tips—securely organized inside a protective hard shell case with provided video instructions for portability and everyday use. Whether you're working at a lab bench or maintaining a structured performance protocol, the M3 kit delivers a polished, professional experience. Designed for convenience and long term use, it's a practical addition to any research setup for an organized routine.