Piranha Knives Auto Pocket Knife Automatic Folding Knife 3.25in 154CM Blade Black Oxide Black Anodized Aluminum Handle. Anodized aluminum handle. Pocket clip. Specifications for Piranha Knives Auto Pocket Knives 3.25in Automatic Folding Knives: Manufacturer: Piranha Knives Blade Length: 3.25 in Blade Material: 154CM Stainless Steel Serrated: Plain Knife Application: Folding Blade Handle Material: Aluminum Lock Type: Button Lock Opening Method: Automatic Closed Length: 4.13 in Package Contents: Piranha Knives Auto Pocket Knife Piranha Knives P-1BKT: Auto Pocket Knife 4.13in Closed 3.25in Black Oxide 154CM Blade Black Anodized Aluminum Handle