Two open black OTF knives with knuckle duster handles, one with a plain edge and one with a serrated edge, displayed on a black nylon sheath against a dark background.

Two open black OTF knives with knuckle duster handles and black blades, one plain edge and one serrated, displayed next to a black nylon sheath on a white background.

Two open black tactical OTF knives featuring knuckle duster handles with textured grips, displayed on a dark carbon fiber patterned background.

Two open black knuckle duster OTF knives, one plain edge and one serrated, displayed on a white background for product clarity.

A closed black knuckle duster OTF knife showing the diagonal grooved texture on the handle, silver screws, and a glass breaker tip, displayed on a white background.

A closed black knuckle duster OTF knife with textured grooves, displayed next to its black nylon carrying sheath on a white background.

Product specification chart for the knuckle duster OTF knife, showing a total length of 14.2cm, a blade length of 9cm, and labeling the blade material as 440C steel and the handle material as zinc alloy.

AS-E Tactical Knuckle Automatic Knife – 440C, Spring-Assisted, 315g

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AS-E Tactical Knuckle Automatic Knife – 440C, Spring-Assisted, 315g

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Four fingers through the rings. The mechanism wakes at your thumb.

The zinc alloy knuckle handle is cold against your skin, its diagonal anti-slip grooves biting into your grip like they were cut for this moment. At 315 grams, the AS-E fills your hand with a solid, industrial weight—not heavy for its own sake, but dense with intent. The matte black finish absorbs light and attention, letting the four-finger silhouette speak for itself.

Your thumb finds the side slider. One firm push, and the spring-assisted mechanism fires the blade into position with a crisp, metallic snap. No lag. No hesitation. Just a clean mechanical action that feels like it was engineered for people who love how things work. The 9 cm 440C combo edge blade locks behind a liner lock—plain edge forward for slicing, serrated belly for rope and straps. Hardened to 59 HRC, it's sharp enough to glide through a package and tough enough to chew through fibrous material without flinching.

Flip it over. The tungsten steel glass breaker tip catches the light—a small, pointed sentinel that lives for a moment you hope never arrives. The metal pocket clip anchors it to your gear, and the whole tool radiates a quiet, tactical confidence. This is the AS-E: a knuckle knife evolved for the modern EDC. A blade for the person who wants their carry to have presence—not just practicality.