Helmet in Knight of Kornberg Nuremberg from 1375 Design. This Helmet is High quality 18 Gauge Steel & Brass. Inner Diameter: Front to back 9 inches. Ear to ear: 8.5 inches. Circumference: 26.69 inches. Can it be used for reenactment? Other: We supply this helmet pre-oiled for protection from rust. Use this helmet as a great Halloween costume. Quality is a parameter where we make no compromises. The superior quality raw material is used in the manufacturing process. Quality check at each stage of manufacturing. All Work is Hand Made.