Gauge  |  O.D (MM)  |  Length  |  Color  |  
18G  |  1.2  |  11/2"(38mm),11/4"(32mm)  |  Pink  |  
19G  |  1.1  |  11/2"(38mm),11/4"(32mm)  |  Cream  |  
20G  |  0.9  |  11/2"(38mm),11/4"(32mm)  |  Yellow  |  
21G  |  0.8  |  11/2"(38mm),11/4"(32mm),1"(25mm)  |  Green  |  
22G  |  0.7  |  11/2"(38mm),11/4"(32mm),1"(25mm)  |  Black  |  
23G  |  0.6  |  11/2"(38mm),11/4"(32mm),1"(25mm),5/8"(16mm)  |  Blue  |  
24G  |  0.55  |  11/4"(32mm),1"(25mm),5/8"(16mm)  |  Purple  |  
25G  |  0.5  |  1"(25mm),5/8"(16mm),1/2"(13mm)  |  Orange  |  
26G  |  0.45  |  1"(25mm),5/8"(16mm),1/2"(13mm)  |  Brown  |  
27G  |  0.4  |  1"(25mm),5/8"(16mm),1/2"(13mm)  |  Grey  |  
| 1.Made of high quality stainless steel | 
| 2.With large ID and high flow | 
| 3.Semi-transparent needle-hub for the convient observation of blood reflux | 
| 4.Size distinguished by the needle-hub's color for clear recognition | 
| 5.The flexible supply form:in bulk or pack ,sterilized or unsterilized | 
| 6.Procuction of all kind of special needles required by our customers | 
7.Delicatedly-designed needle-point with festures of sharmless,smooth puncture,less damage to the tissue,less painful feeling to the patient  |  
Size  |  Color Code | Rugular needle length | ||||||
| O.D. | Gauge | 1/2" | 5/8" | 3/4" | 1" | 1. 1/4" | 1 1/2" | |
| 0.3 | 30G | Yellow | √ | |||||
| 0.33 | 29G | Red | √ | |||||
| 0.36 | 28G | Blue-green | √ | |||||
| 0.4 | 27G | Grey | √ | |||||
| 0.45 | 26G | Brown | √ | |||||
| 0.5 | 25G | Orange | √ | √ | ||||
| 0.55 | 24G | Purple | √ | |||||
| 0.6 | 23G | Blue | √ | √ | √ | |||
| 0.7 | 22G | Black | √ | √ | √ | |||
| 0.8 | 21G | Green | √ | √ | √ | |||
| 0.9 | 20G | Light-yellow | √ | |||||
| 1.1 | 19G | Creamy | √ | |||||
| 1.2 | 18G | Pink | √ | √ | ||||
| 1.6 | 16G | White | √ | √ | ||||
| 1.8 | 15G | Dark grey | √ |  |||||