Medieval V Face Mild Steel Chainmail Coif Armor Overall Length: Approximately 18.75 Inches/Bottom Span: 18.5 Inches Face Opening: 6 Inches wide, 7 Inches Length/Fitment: Adult Sizes Construction: Mild Steel Zinc Plated, 16 gauge Chain Link Diameter: 10 mm, Butted Chain Link Ring Thickness: 8 AWG/ Chain Link Pattern: 4 in 1 Interlocking