Xulin Pen 3 Blue + Case

If you want a true manual pen that feels like a piece of equipment (not a toy), the Xulin Pen 3 is the one. It’s Randy’s favorite manual pen for a reason: the tactile, positive mechanical feel is on another level, and the clicks are crisp and confidence-inspiring. In fact, once you’ve handled the Xulin Pen 3, the Luxura starts to feel cheap by comparison.

Built around the standard 3 mL cartridge format, this pen is designed for researchers who want repeatable dialing, clean handling, and a solid, “locks-in” stroke that makes dosing feel controlled and deliberate.

Why Researchers Like It

• Premium tactile feel: Firm, mechanical feedback with clean clicks that make each adjustment feel intentional

• Manual  control: No auto mechanisms, just direct, consistent operation

• Large dose window: Easy to read at a glance while you work

• Dial range up to 60 units: Straightforward, repeatable dosing in 1-unit increments

• Reusable build: Made for repeated cycles without the disposable junk feel

What’s Included

• 1× Xulin Pen 3 reusable manual pen
  (Cartridges and pen needles sold separately.)

• Case with be plastic or hard luxury leather. (requests not possible)

⚠️ For Research Use Only — Not for human or veterinary use.