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Fits MODTECH V2, V3 and V1-style pens

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    • Pen and Cartridge Kits

    • V3 Pen

    • V2 Pens

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    • How It Works: Set up and load your pen

    • Cartridge Information

    • Troubleshooting

    • Pen Models

    • Pen Tips

    • Safety and Warnings

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      Help Center

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      we help?

      The manual, kept current.

      Everything you need to set up and use your MODTECH pen. Orders ship without printed instructions because this is the manual, and we fix it the day someone asks a good question. Pick the topic that matches what you need.

      1. 01 How It Works: Set up and load your penWhat arrives in your order, the parts, a practice run, then filling, venting and priming. Watch the walkthrough or follow the steps.Watch & read →
      2. 02 Safety and warningsRead before your first session: handling, sharps disposal, glass limits, and the modifications to stay away from.Read guide →
      3. 03 Cartridge informationGlass and stopper spec, how ours are sterilized, and how much you actually get out of a 3 mL fill.Read guide →
      4. 04 Pen tipsWhat gauge, length, wall thickness and coating each change about how the pen feels to use.Read guide →
      5. 05 TroubleshootingA stiff press, a drip after dispensing, or a pen that won't press — what to check, and in what order.Read guide →
      6. 06 Pen modelsV2 and V3 side by side, including where the V3's design comes from.Read guide →
      7. 07 Reconstitution calculatorVial amount and water in; concentration, what one click delivers, and the clicks to dial out. Arithmetic only.Open the tool →

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