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Simple Diagnostics's Comfort EZ™ Insulin Pen Needles — fine-gauge pen needles built for comfortable, reliable insulin delivery with standard pen injectors.
Standard Insulin Pen Needle Comfort EZ™ 31 Gauge 5 mm Length NonSafety. Compatible with standard insulin pens, these thin-wall needles are designed to minimize discomfort while delivering an accurate dose. Trusted by clinicians and caregivers for consistent performance in daily use.
| Specification | Detail |
|---|---|
| Manufacturer | Simple Diagnostics |
| Brand | Comfort EZ™ |
| Application | Standard Insulin Pen Needle |
| Needle Gauge | 31 |
| Needle Length | 5 mm |
| Bevel Type | Tri-Bevel |
| Wall Type | Regular Wall |
| Sterility | Sterile |
| Manufacturer Part Number | 31G5 |
Select your preferred option from the dropdown above. Each option matches the configuration described in this section.
| Option | SKU | Availability |
|---|---|---|
| 31G x 5 mm — (100 Each / Box) | 31G5BX | In Stock |
| 31G x 5 mm — 30 Boxes / Case (3000 Each / Case) | 31G5CS | Non-Stocked (ships direct) |
| 31G x 8 mm — (100 Each / Box) | 31G8BX | In Stock |
| 31G x 8 mm — 30 Boxes / Case (3000 Each / Case) | 31G8CS | Non-Stocked (ships direct) |
| 32G x 4 mm — (100 Each / Box) | 32G4BX | In Stock |
| 32G x 4 mm — 30 Boxes / Case (3000 Each / Case) | 32G4CS | Non-Stocked (ships direct) |
| 32G x 6 mm — (100 Each / Box) | 32G6BX | Non-Stocked (ships direct) |
| 32G x 6 mm — 30 Boxes / Case (3000 Each / Case) | 32G6CS | Non-Stocked (ships direct) |
For single use only — use a new needle for every injection and discard safely in an approved sharps container. Store at room temperature away from moisture. Contact our support team with any questions about pen compatibility.

