型號 | 內(nèi)徑(mm) | 外徑(mm) | 備 注 | |||
12G | 2.27mm | 2.77mm | ||||
13G | 1.94mm | 2.4mm | ||||
14G | 1.55mm | 2.10mm | ||||
15G | 1.37mm | 1.80mm | ||||
16G | 1.16mm | 1.64mm | ||||
18G | 0.84mm | 1.27mm | ||||
19G | 0.70mm | 1.08mm | ||||
20G | 0.60mm | 0.91mm | ||||
21G | 0.51mm | 0.82mm | ||||
22G | 0.41mm | 0.72mm | ||||
23G | 0.34mm | 0.64mm | ||||
25G | 0.26mm | 0.51mm | ||||
26G | 0.23mm | 0.46mm | ||||
27G | 0.21mm | 0.41mm | ||||
30G | 0.16mm | 0.31mm |