Piranha Knives Auto Amazon Automatic Folding Knife 3.25in 154CM Black Oxide Black Aluminum Handle. Aluminum handle. Lanyard hole. Pocket clip. Specifications for Piranha Knives Amazon 3.25in Automatic Folding Knives: Manufacturer: Piranha Knives Blade Length: 3.25 in Blade Material: 154CM Stainless Steel Knife Application: Folding Blade Handle Material: Aluminum Lock Type: Button Lock Opening Method: Automatic Closed Length: 4.63 in Package Contents: Piranha Knives Auto Amazon Folding Knife Piranha Knives P-3BKT: Auto Amazon Folding Knife 4.63in Closed 3.25in Black Oxide 154CM Blade Black Aluminum Handle