Microtech Brachial S/E Automatic Folding Knife 3.25in M390 Steel Apocalyptic Trailing Point Blade Aluminum Black Handle. Microtech exclusive automatic opening technology makes for fast and strong deployment. Specifications for Microtech Brachial 3.25in Automatic Folding Knife: Manufacturer: Microtech Blade Length: 3.25 in Overall Length: 8.125 in Blade Material: M390 Steel Handle Color: Black Serrated: Fully Serrated Knife Application: Folding Blade Blade Shape: Trailing Point Handle Material: Aluminum Blade Thickness: 0.161 in Lock Type: Button Lock Blade Grind: Flat Weight: 4.64 oz Opening Method: Automatic Closed Length: 4.75 in Package Contents: Microtech Brachial 3.25in Automatic Folding Knife Microtech 268A-12AP: Brachial S/E Apocalyptic Full Serrate 3.25in Folding Knife Black