Hestish Multiple-Use Transformable Alloy Steel Survival Tool Ring (Gold) This is size 14 magic ring muti-functional tool, it does not fit for big fingers. Inside diameter 0.85in(21.2mm); Outside diameter 1.4 in(34mm); Weight:0.22lb(100g). Made of lightweight durable alloy steel Can carry legally, can pass airport security check. Can be transformed to be a weapon when emergency About 10-15 business days for the delivery