Made of K18 (18 karat) gold #K18 Vatican yu Made in Japan #K18 Rounded Vatican yu Open mouth ♦︎This is not a plated product. Approximate dimensions: Wire width approx. 1mm Length: 5.7mm Thickness: approx. 3mm (inner diameter approx. 2mm) Approximate weight: approx. 0.08g/piece High quality No stamp ☆Available for immediate purchase! ■This is a single item for sale. How about making a necklace top? We also accept sets with round rings. Thank you very much. Color: Gold