It’s Ansuz Rune. Divination meanings: Communications, wisdom and learning from past.Width:2mm (0.08 inches), thickness: 1mm (0.04 inches), weight: 1.28g(0.003lb).Made by 316Lstainless steel, which are Nickel-free, Lead-free, Cadmium-free and Hypoallergenic, suitable for sensitive skins. Stainless steel’s stability makes it an excellent choice of material for jewelry. It is resistant to scratch and it will retain its beauty for years. Stainless steel jewelry is durable enough to be worn for a lifetime.RING SIZE: 7, 8, 9 (US Standard). Diameter: Size 7 (17mm/0.67 inches), Size 8 (18mm/0.71 inches), Size 9 (19mm/0.75 inches). For the choice of ring size, attach a picture for your reference.Attached with a nice velvet pouch for best gift to your friends, lover, colleague, family members or yourself on New Year, Father??s Day, Mother’s Day, Thanksgiving Day, Christmas, Birthdays or Wedding Anniversary.