Type: Straight-out switchblade Brand: MICROTECH micro-technology (imitation) Open length: 21.8CM Closed length: 13.3CM Blade length: 8.5cm Blade thickness: 0.3CM Hardness: 57 HRC Blade material: 440 Surface: Blackened blade handle : Aviation aluminum alloy + sandpaper leather Net weight: 180 grams (whole knife) Gross weight: 280 grams (including packaging) Opening and closing: double action, direct push switch, automatic pop-up and retraction (the blade is relatively strong, only a slight shake) Packaging: Wear-resistant special tactical nylon sleeve. Pocket Knife Holder: Switch Knife Holder Glass Striker: Tungsten Glass Striker.