This is a VINTAGE CROSSBONES PIRATE SKULL RING 3D file. the components of the jewelry model that design are correct such as thickness, prong size, spacing, etc.. Also. the jewelry model that create is as easy as possible for 3D printing and casting.Details-Ring size- USA- 13.25 ( 20.50 mm)Gold wt- 22.000 gm(18k)Silver wt-14.000 gmWe are providing cad files of.......SOLITAIRE JEWELRYMEN'S JEWELRYKIDS JEWELRYGEMSTONE JEWELRY