-------------------------- Feature: 1.with comfort fit.will last a lifetime. 2.ultra highly polished finish.hold its shape and shine longer than other ring, has been refered to as"Permanently Polished ring" 3.with the superion nickel-binder alloy,free cobalt. 4.virtually un-scratchable:18xs harder than gold,4xs harder than titanium,5xs harder than tool steel.tungsten measures about 9 on the Mohls hardness scale,diamond is 10(which is the highest) 5.grey-white.metalic! 6.the highest melting point of all the metals(more 6000 degrees) 7.mined from Wolfranite ore. --------------------------- order: 1.MOQ: 50pcs with diferent sizes each styling. 2.OEM: At least 100pcs with diferent sizes each styling.can laser-carving your owen LOGO designs inside! 3.Package: single 4.Delivery time:15business days when get your payment!