AKC X-Treme Shadow 11" Stag Horn Stiletto Automatic Knife 440b Polished Bayo. To unlock the blade, simply press the top bolster upward, and the same action is repeated for closing it securely. Overall length: 28cm – 11" Blade Length: 11.5 cm – 4.53" Blade thickness: 3mm - 0,12" Weight: 145 gr-5.11 oz Blade Material: 440B Steel mirror Handle Material: Stag Horn Made in: China