Boker USA Dagger Automatic Folding Knife 3.39in D2 Steel Double Edge Blade Aluminum Black Handle. 39" Double Edge Dagger Plain Black D2 Steel Blade Aluminum Han - The Boker Plus Dagger is a OTF designed by Raimund Lhotak and fits perfectly in the hand thanks to its titanium-coated handle and ergonomic design. The reliable mechanism opens and closes the coated D2 blade by spring force via the release slide which guarantees quick operation. Specifications for Boker USA Dagger 3.39in Automatic Folding Knife: Manufacturer: Boker USA Blade Length: 3.39 in Blade Material: D2 Steel Weight: 3.21 oz Additional Features: Double Edge Dagger Closed Length: 4.75 in Blade Type: Plain Boker 06EX244 3.39" Double Edge Dagger Plain Black D2 Steel Blade Aluminum Han Boker USA 06EX244: Dagger Automatic Folding Knife 3.39in D2 Steel Double Edge Blade Aluminum Black Handle