DPx Aculus Flipper

DPx Aculus Flipper

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The DPx Aculus Flipper is a hard use gentleman’s knife carved from a single block of 6Al4v titanium alloy.  It is an every day carry tool with beautifully fluid lines, exquisite ergonomics, and a tough blade of the highest quality and finish. The frame is a single seamless machined piece of art, elegantly held together with only two screws. The Aculus was designed for undercover work, where professionals must dress in formal wear but must carry tools that cannot fail. The ergonomics had to work as a knife but also as a concealed hand held tool capable of dealing non-lethal pain to attackers.  

The DPx Aculus Flipper features a unique wave pattern for superior grip, a deep carry pocket clip, and razor sharp Bohler M390 blade steel. 

Much anticipated changes were made for 2019, including a flipper configuration and a hollow grind on the blade.


Weight 3.45 oz / 98 g
Overall Length 7.71"/ 196mm
Blade Length 3.26"/ 83mm
Steel Bohler M390
Rockwell Hardness 60 - 62
Blade Coating none
Blade Thickness 0.14"/ 3.50mm
Handle Material Bronze 6Al4v Titanium in a milled wave pattern