Piranha Knives Auto Toxin Automatic Folding Knife 3.75in 154CM Black Oxide Black Textured Aluminum Handle. Black textured aluminum handle. Pocket clip. Specifications for Piranha Knives Auto Toxin 3.75in Automatic Folding Knives: Manufacturer: Piranha Knives Blade Length: 9.53 cm 3.75 in Handle Color: Black Lock Type: Button Lock Additional Features: Pocket Clip Color: Black Closed Length: 12.1 in 4.75 in Package Contents: Piranha Knives Auto Toxin Folding Knife Piranha Knives P-18BKT: Auto Toxin Folding Knife 4.75in Closed 3.75in Black Oxide 154CM Blade Black Textured Aluminum Handle