AKC X-Treme Shadow 9" Green G-10 Stiletto Automatic Knife D2 Black Bayo. To unlock the blade, simply press the top bolster upward, and the same action is repeated for closing it securely. Overall length: 23cm – 9" Blade Length: 9.6 cm – 3.78" Blade thickness: 3mm - 0.12" Weight: 117 gr-4.12 oz Blade Material: D2 Pvd Handle Material: G-10 Made in: China