This is a listing for a popular interlocking wire ring. The wide type is even more popular, so we highly recommend it to those looking for one☆ The size is stamped as 17, but it is a Japanese size 16☆ Material: Silver 925 Accessories: None This is an authenticated item purchased from the brand-name pawn shop Kanteikyoku, so please purchase with confidence☆ Instant purchase without comments is also welcome☆