AKC Concord Nato Military Green D/A OTF Automatic Knife Satin Dagger. This double action knife has a smooth action from button to blade. Fires in and out at a fast rate! Overall Length: 20cm - 8" Blade Length: 7,5cm - 3.25" Blade thickness: 2.2mm - 0.09" Weight: 88 gr Blade Material: AISI 420 Stainless steel Handle Material: Aluminium Inlay Material: Aluminium Made in: Italy