Double Open Rings 15mm Surgical Stainless Steel Round shape, open Dimensions Diameter 15mm x Thickness 1.8mm Internal diameter 13mm Single ring thickness 0.8mm approximately Sold by bag of 100 key ring rings ***** ***** ***** ***** ***** Welcome to 123 pearls! Find in our shop many supplies for all your DIY creations Fast shipping Followed letter delivery from D + 1 or Colissimo 48h (for metropolitan France) Followed letter delivery or Colissimo for the French overseas departments and territories, European Union and World Do not hesitate to contact us with any questions Thank you for your visit! ***** ***** ***** ***** *****