Open Knotwork Aum Om Sterling Silver Ring Drop and give me zen, with this knot work band sterling silver om aum ring. A yoga inspired piece that's a great 4mm gift for anyone who needs a little namaste in their day. Face: 11mm W Measure: Width 4mm Weight: 4.2 Grams Material: .925 Sterling Silver Measure: 4mm Band Width Weight: 4.2 grams Drop and give me zen, with this knot work band sterling silver om aum ring. A yoga inspired piece that&#039;s a great 4mm gift for anyone who needs a little namaste in their day. Face: 11mm W Measure: Width 4mm, Weight: 4.2 Grams, Material: .925 Sterling Silver