Needle Size Guide
Choosing your syringe
EasyToUse U-100 syringes are sold in three barrel sizes and several fixed-needle options. Every syringe is sterile and individually wrapped, 30 per pack.
Barrel size (capacity)
| Size | Also called | Unit markings |
|---|---|---|
| 1 mL | 1cc | 100 unit |
| 0.5 mL | 1/2cc | 50 unit |
| 0.3 mL | 3/10cc | 30 unit |
Needle gauge
Gauge describes how thick the needle is. A higher gauge number means a thinner needle: 31G is thinner than 27G.
Needle length
| Length | Metric |
|---|---|
| 5/16 inch | 8 mm (shorter) |
| 1/2 inch | 12.7 mm (longer) |
Available now
- 31G x 5/16" (8 mm): 0.3 mL, 0.5 mL and 1 mL
- 1 mL: 27G, 28G, 29G, 30G x 1/2" (12.7 mm) and 30G x 5/16" (8 mm)