Viking Braided Wedding Band Borre Knot Norse Celtic 10mm Sterling Silver Ring(Sizes 4,5,6,7,8,9,10,11,12,13,14,15) 10mm Wide and 2mm Thick Weight is 5.3 - 7.4 Grams (varies with size) Nickel Free Sterling Silver Marked .925 (for Sterling Silver) Borre "ring braid"