Materical : Stainless steel
<br />Note :New Design Snap  Ring ,it can open and close ,it is easy to wear 
<br /> Include Snap ring total length about 5.5cm 
<br />if do not include ring ,cage length about 4cm 
<br />cage inner diameter 32mm
<br /> Weight: about 177grams
<br /> Ring diameter have  4 sizes to choose :
<br /> 38mm ,41mm,51mm,57mm
<br />all goods keep secret packing