Advantages: 1.Cool Ring: It create a man& 39;s ring that the super hero fan would like.It symbolizes the militant and brave spirits of a fighting nation. 2.Unique Design: Recreating the artful design of the helmet down to the most minute detail. It create a ring that the fans would like. Smooth Interior, comfortable to wear. 3.Various Sizes: The minimalist style ring can be worn alone on the thumb, little finger and knuckle, or it can be used with other rings. Suitable for men and women. 4.High-quality materials:This ring is made of high quality alloy, able to endure a lot of wear and tear; Smooth comfort fit against finger. Hand-made, well polished. 5.Perfect Gift: Eye-catching ring, suitable for any occasion, excellent party, wedding, engagement, Valentine& 39;s Day, graduation, birthday, anniversary, Christmas gift. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect. Please allow slight deviation due to manual measurement.Specification:Material: AlloyStyle: European and AmericanTreatment process: electroplatingStyle: men& 39;sColor: silverSize(US) Diameter Circumference7 1 7.4mm 55mm8 1 8.2mm 57mm9 19mm 5 9.8mm10 1 9.9mm 6 2.4mm11 20.7mm 65mm12 2 1.5mm 6 7.5mm14 2 3.1mm 7 2.8mm