THESE HAVE A VERY SMALL INTERNAL DIAMETER
They are used more for spacers or roundels

(1) 18k OPEN Jump Ring
  • 16 Gauge
  • OD: 5mm
  • ID: 2.25mm
  • 0.154 DWT (0.24 grams)


Gauge No. Diameter
inches		 Diameter
mm
10
 0.102
 2.59
12
 0.081
 2.05
14
 0.064
 1.63
16
 0.051
 1.29
18
 0.040
 1.02
20
 0.032
 0.81
22
 0.025
 0.64
24
 0.020
 0.51
26
 0.016
 0.41