EOS Harpoon Dagger Automatic Folding Knife 3.6in CPM 20CV Spear Point Aluminum/Titanium Black Handle Black AUTO BLACK BLUE DAGGER. This knife features a 6061 hard anodized aluminum frame and cover plate CPM 20 CV Blade at .160in thick titanium hardware titanium back spacer titanium clip a stainless steel switch and the EOS exclusive Power-LOK (EOS one screw locking frame locking mechanism). Specifications for EOS Harpoon Dagger 3.6in Automatic Folding Knife: Manufacturer: EOS Blade Length: 3.6 in Blade Material: CPM 20CV Handle Color: Black Blade Shape: Spear Point Handle Material: 6061 Aluminum Blade Thickness: 0.16 in Package Contents: EOS Harpoon Dagger 3.6in Automatic Folding Knife EOS AUTO BLACK BLUE DAGGER: Harpoon Dagger Automatic Folding Knife 3.6in CPM 20CV Spear Point Aluminum/Titanium Black Handle Black