V1 - Personal Reusable Pen Injection device 80 Units SLIMLINE New Model (Green) - Pen-Depot.com Key Features: Precision-Controlled Delivery: Fine-tune each injection with an adjustable dial for 1 to 80 units per release, allowing consistent and controlled administration. Reusable Metal Construction: Built for long-term use with high-quality metal components that resist wear and provide a professional-grade feel. Universal Cartridge Compatibility: Fits most standard 3 mL cartridges designed for reconstituted research compounds. Cartridges not included. Sealed System Integrity: Designed to support compound protection by reducing air exposure and minimizing contamination during research use. Simplified Compound Tracking: Supports easy logging of delivery units and volumes during ongoing compound trials or rotation schedules. Note: This is not a medical device . Use only in accordance with applicable research guidelines.