This is a private listing.Your privacy is fully respected.Please read the whole description (about size， payment， shipping etc) of the item carefully before you buy.【size】Total length: approximately 120mmMaximum diameter: about 9.8mmThe minimum diameter: about 5mmRing diameter: about 29mmWeight: 45 gramsIts material is fine stainless steel.This item is made entirely by hand soldering.No chrome plating and No nickel Just hand-polished plating.Note: goods size for measurement methods， measuring equipment and so on the different will have a little error， usually ± 1 mm error are normal， do not belong to the quality problem or not is introduced.Privacy protection:-Your privacy is very important.-All of our businesses are private.-All of our shipments are in plain unmarked boxes.-We will not keep any personal or billing information on file.-We will not compile mailing lists or customer profiles of any kind.-We normally mark your item as "Metal Crafts"