COI Tungsten Carbide Ring. 

Specifications:
Category:	Ring
Width:	5.0mm(0.19 inches), 6.0mm(0.23 inches), 7.0mm(0.28 inches) or 8.0mm(0.32 inches)
Thickness:	2.0mm(0.07 inches), 2.25mm(0.08 inches) or 2.5mm(0.09 inches)
Material:	Tungsten Carbide, Cobalt-Free
Finish:	High Polished or Satin Finished

Availability:

Tailor Made. Usually ships in 2 - 3 business days. 14-Day Returns.  FREE Worldwide Shipping.  100% Quality Guarantee. Lazer Engraving Service: We can provide engraving service for up to 12 letters on the ring. Indicate the inscription of your choice during check-out.  *Further Note: All coi Tungsten Carbide Jewelry are 100% custom-made and hand-made and hence, sometimes it may take a relatively longer processing period for finishing some specific models, eg, gold plating, inlays or diamonds styles.