EOS Auto Harpoon OTF Automatic Folding Knife 3.75in MagnaCut Steel Satin Dagger Blade Black DLC Aluminum Handle AUTO BLACK AND SATIN DAGGER. 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 EOS AUTO BLACK AND SATIN DAGGER: Auto Harpoon OTF Automatic Folding Knife 3.75in MagnaCut Steel Satin Dagger Blade Black DLC Aluminum Handle