Details

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Model	Inner Diameter (mm)	Outer Diameter (mm)
14G	1.52	2.10
18G	0.84	1.27
20G	0.60	0.91
21G	0.51	0.82
22G	0.41	0.72
23G	0.34	0.64
25G	0.26	0.51
28G	0.18	0.40