material:316L Stainless Steel Zircon wide:6mm<br /> ring wide:4mm  <br />size 6= <br /> diameter <br /> 16.5mm (Label size 16) <br />size 7= <br /> diameter <br /> 17.5mm (Label size 17)<br />size 8= <br /> diameter <br /> 18.5mm (Label size 18)<br />size