EOS Auto Harpoon OTF 3.75 in Automatic Folding Knife. Black anodized aluminum handle. Pocket clip. Specifications for EOS Harpoon OTF Tanto 3.75in Automatic Folding Knife: Manufacturer: EOS Blade Length: 3.75 in Overall Length: 9.25 in Serrated: Plain Knife Application: Folding Blade Handle Material: Aluminum Sheath Material: No Sheath Weight: 0.44 lb Opening Method: Automatic Closed Length: 5.5 in Package Contents: EOS Harpoon OTF Tanto 3.75in Automatic Folding Knife