100-Pack Universal Insulin Pen Needles – 4/5/6/8mm Fine Tip

Keep your insulin delivery routine comfortable, consistent, and hygienic with these 100-piece Universal Insulin Pen Needles. Available in 4 mm, 5 mm, 6 mm, and 8 mm lengths, they are engineered with thin-wall technology and an ultra-fine bevel for smooth, effortless injections every time.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult your healthcare provider regarding your insulin management regimen.

Why Choose These Pen Needles?

• Thin-Wall Design – The slender needle barrel minimizes skin contact area, delivering a noticeably more comfortable injection experience.
• Sharp Bevel Angle (<22°) – The precision-ground tip glides smoothly for consistent, accurate subcutaneous delivery.
• Multiple Length Options – Choose the length that suits your body type and injection technique:
  • 4 mm / 5 mm: Vertical insertion, no skin pinching required — ideal for accurate subcutaneous delivery.
  • 6 mm: Pinch skin before insertion for optimal placement.
  • 8 mm: Pinch skin and insert at a 45° angle for deeper subcutaneous reach.
• Universal Compatibility – Designed to fit the vast majority of standard insulin pens on the market, providing reliable performance across brands.
• Individually Sterile Packaged – Each needle comes in double-layered sterile packaging, protecting the tip from contamination and physical damage right up to the moment of use.
• Rapid Delivery – Fine-gauge construction supports quick, precise delivery with minimal discomfort.
• 100 Count per Box – A generous supply that keeps your routine uninterrupted.

Product Specifications

How to Select the Right Needle Length

Needle length selection is an important part of your injection routine. The FDA's guidance on insulin syringes and pen needles recommends consulting your healthcare provider to determine the best needle size for your body composition and injection site. Generally, shorter needles (4–5 mm) are suitable for most adults and children, while longer needles may be used based on specific clinical guidance.

For more information on diabetes management and insulin use, visit the CDC's Diabetes Management Resource Center.

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Frequently Asked Questions

Q: Are these insulin pen needles compatible with my insulin pen brand?

A: Yes — these universal pen needles are designed to fit the vast majority of standard insulin pens available on the market. They feature a standard ISO-compatible thread connection that works with most major pen brands. If you are unsure, please check your pen's needle compatibility specifications or consult your healthcare provider.

Q: What needle length should I choose — 4 mm, 5 mm, 6 mm, or 8 mm?

A: The right length depends on your body composition and your healthcare provider's recommendation. As a general guide: 4 mm and 5 mm needles allow vertical insertion without pinching — suitable for most adults. The 6 mm length requires skin pinching, while the 8 mm needle requires skin pinching and a 45° insertion angle. Always follow your doctor's or diabetes educator's advice for your specific situation.

Q: Are the pen needles sterile and safe to use?

A: Each needle is individually sealed in double-layered sterile packaging to maintain sterility until the moment of use. Do not use a needle if the packaging has been opened, torn, or damaged. As with all injection supplies, each needle should be used only once and disposed of safely in an approved sharps container.

Q: How many needles come in one box?

A: Each box contains 100 individually packaged pen needles, providing an ample supply to support your ongoing insulin management routine.

Q: What color are the needle caps?

A: The pen needle caps come in either green or purple and are shipped randomly. The cap color does not affect the needle's performance or specifications in any way.