Research Grade
Pen Needles (100 pack)
Universal fit 31G (0.25mm×6mm) — 100 pack
Universal-fit pen needles compatible with most standard injection pens including the Peptide Injection Pen. 31-gauge, 6mm length with a 0.25mm outer diameter. Each needle is individually capped, sterile, and single-use. Pack of 100.
- ✓100 × sterile single-use pen needles
- ✓31G — 0.25mm outer diameter × 6mm length
- ✓Universal fit — compatible with most injection pens
- ✓Individually capped and EO-sterilised
- ✓Tri-bevel tip for smooth, low-resistance insertion
Mechanism of Action
The 31G tri-bevel tip minimises insertion force and tissue displacement, reducing discomfort and bruising at the injection site. The 6mm length is calibrated for shallow subcutaneous delivery, avoiding intramuscular penetration in most research subjects. Universal ISO-standard threading ensures compatibility across pen devices.
For research and educational purposes only. This information is derived from published preclinical and clinical literature and does not constitute medical advice.