AKC F-16 Copper D/A OTF Automatic Knife Satin Dagger. Overall Length: 20cm - 8" Blade Length: 8.5cm - 3.35" Blade thickness: 3mm - 0.12" Weight: 88 g - 3.10 oz. Blade Material: 440A Stainless steel Handle Material: Aluminium Inlay Material: Copper Color Inserts