Body Piercing Rings,IrBingNii Women Shields,Screw Body Piercing Jewelry Adjustable Circle,None Piercing The four screws of the shields are adjustable.Screw length:8mm/0.314inch,you can adjust the screws according to your size. Circle Diameter:19mm/0.748inch .Ball diameter:5mm/0.196inch,balls are unscrewable Weight of one ring:0.02lb /0.25oz /7g,which may be too heavy for some buyers,please take the weight we displayed to consideration before you order. Quality Guaranteed for 90 days,if there are some problems about the shields,please contact us for replacements or money back. Package : 1 pair of shields in a PP gift box which you can use it as your jewelry Storage Box at home or for outdoor activities. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!