Wcore 33G 4mm Insulin Pen Needles

Ultra-Fine Sterile Pen Tips for Insulin & Peptide Injection Pens

Wcor 33G x 4mm Pen Needles are designed for compatible insulin pens and peptide injection pens.
With an ultra-fine 33G format, short 4mm length, sterile single-use design, and universal twist-on connection, they are suitable for daily use and easy handling.

Available in 10PCS / 30PCS / 50PCS / 100PCS package options.

Ultra-Fine 33G Design

The 33G ultra-fine format is designed for a smoother and more comfortable daily injection experience.

Compact 4mm Length

The short 4mm length supports convenient subcutaneous use and is suitable for most users.

Sterile & Single-Use

Each pen needle is sterile and intended for single use only. Use a new needle each time for clean and safe handling.

Universal Twist-On Fit

Designed to fit most standard insulin pens and compatible peptide injection pens with a universal twist-on connection.

Suitable for:

Insulin pens
Peptide injection pens
Most compatible pen-style devices

How to Use

Remove the protective seal.
Align the pen needle with the compatible pen device.
Twist the needle onto the pen until securely attached.
Remove the outer cap and inner cover before use.
Use according to your pen device instructions.
After use, remove the used needle carefully and dispose of it in a proper sharps container.
Important Notes
Single use only. Do not reuse.
Do not share with others.
Keep out of reach of children.
Do not use if the package is opened or damaged.
Store in a dry, clean, and ventilated place.
Please read the user manual before use.
Dispose of used needles safely according to local regulations.