1–80 Units Reusable Pen, with Protect Case, for 3ml Cartridge, Adjustable Dosage Dial Compatible,Clear Scale Design, Blue

The Reusable Pen (Blue) offers a precise, economical. This complete set includes 5 empty 3ml cartridges and a durable protective case, making it ideal for home use or travel. The pen features an adjustable dosage dial with a clear scale design and a dosage range of 1–80 units, allowing you to set exactly the amount you need. Key Features: Reusable & Long-Lasting – Built from high‑quality materials, this pen is designed for repeated use, reducing waste and saving you money over time. Adjustable Dial (1–80 Units) – Turn the smooth dial to select any amount from 1 to 80 units. Compatible with 3ml cartridges for precise measurement every time. Clear Scale Design – Large, easy‑to‑read markings help prevent volume errors and give you confidence in every use. Complete Kit – Comes with 5 empty 3ml cartridges and a hard‑shell protective case to keep your pen and cartridges clean, organized, and safe when you’re on the go. Whether you need to use it for yourself or assist someone else, this pen delivers reliable performance. The adjustable dial and clear scale work together to ensure you always get the right amount—from 1 to 80 units. The included protective case keeps everything together, while the 5 spare 3ml cartridges mean you're ready for multiple uses. Upgrade to a smarter, more sustainable solution for your needs.

• Reusable Pen –This pen is designed for extended use with consistent performance. It supports accurate volume from 1 to 80 units, featuring a crystal‑clear, easy‑to‑read scale that helps reduce dosage uncertainty and supports repeatable measurement results. A practical choice for users seeking a durable alternative to single‑use devices.
• Clear readability from 1 to 80 units on this pen: The large, high-contrast scale and tactile dial allow swift, accurate setting of any dosage within the full range. Even in low light or rushed moments, you can trust the unambiguous display to help avoid errors.
• Compatible with 3ml cartridges for compact portability: This pen works seamlessly with standard 3ml cartridges, keeping the overall size small and lightweight. Slip it into a pocket or travel bag effortlessly—ideal for active lifestyles where convenience and space savings matter.
• Complete Set – Ready to Use – The package includes a full complete set: one high‑quality pen, five empty 3ml cartridges, and a sturdy protective case. Everything you need is neatly organized and protected, making it simple to start using immediately and to store safely when not in use.
• Considerate After‑Sales Support – We stand behind our product with considerate after‑sales service. If you have any questions or concerns about the pen or its accessories, our responsive support team is ready to assist you promptly. Your satisfaction is our priority, from purchase to long‑term use.