Celtic Engravable Triquetra Knot Open Sterling Silver Ring The beauty of Irish knot work is how it's a continuous loop symbolizing eternity, a beauty you can honor with this Celtic triquetra. An ENGRAVABLE 3mm, sterling silver, open trinity ring. .925 Sterling silver Measure: Width: 3mm Weight: 2.9 Grams Material: .925 Sterling Silver Measure: Ring W: 3mm Items ship in 4 days  no returns or exchanges on engraved items