A Pitch-Perfect Multi-Deploying EDC Knife Is Black and Better Than Ever

The beloved long-dead flipper rises from the ashes, with the hue to match and premium blade steel to boot.

Close-up of a dark gray folding knife blade and handle with a thumb hole and pivot screw on a wooden surface.

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Published May 14, 2026

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As devout fans know, GiantMouse routinely names its knives after favorite food, drink and hotel haunts of Danish founders Jens Ansø and Jesper Voxnaes.

So it is with the iconic Ace Biblio, which draws its name from a beloved, literary-leaning Brooklyn bar.

Stonewashed gray folding knife with a thumb hole resting on wooden archery bow and arrows. — Coming on the heels of the black and brass Ace Tribeca, the new Ace Biblio is arguably even more darkly dazzling.

Alas, Ansø has since left GM to focus on his own thing, the bar has closed its doors (with a rather bonkers redirect) and the knife has not been updated in some time.

Thankfully, that statement is now two truths and a lie, as the Ace Biblio returns in a beautifully blacked-out new edition.

Biblio tech

GiantMouse knives almost universally pair sleek, functional design with top-notch materials, and the brand’s sweet new Ace Biblio FL Blackout is no exception.

Black folding knife with clip and partially serrated blade resting on a black surface outdoors near arrows with yellow fletching. — The frame lock requires greater machining than the liner lock, hence its place as a hallmark of higher-end knives.

The fun starts with a 2.82-inch drop-point blade made of M390 super steel, which is generally prized for its blend of wear resistance, corrosion resistance and edge retention.

The low-profile steel pocket clip is reversible, easing carry in either the right or left front pants pocket.

GiantMouse

Mid-spine jimping boosts control during detail-driven, precise cuts, while a bit of extra protection arrives in the most badass way possible: a black PVD stonewash finish.

Black folding knife with clip and "ACE 055/300" text on blade resting on worn black fabric surface. — Note that this blade is limited to 300 units, individually numbered as a sign of their exclusivity.

Like a fair number of GM’s, the blackened steel is multi-deploying, courtesy of a thumb hole and a rear flipper, with the blade held in place by that sturdy staple of upscale knives, the frame lock.

Closed matte black folding knife on a dark green leather surface with yellow stitching. — The thumb hole and rear flipper tab offer multiple methods of swift, smooth blade deployment.

Opposite the business end, a matching blacked-out titanium handle is ergonomically shaped, with dual choils (one on the blade and one on the handle) ensuring a steady four-fingered grip.

Rounding things out is a reversible steel wire clip with an equally ashen hue, letting you carry this five-ounce phoenix wherever you like.

Availability and pricing

The GiantMouse Ace Biblio FL Blackout is available now for $285. Only 300 will be produced, so don’t snooze if you are interested.

Black folding knife with textured handle and thumb hole on blade.

GiantMouse Ace Biblio FL Blackout

$285 at GiantMouse

About the Author:

Now managing editor, Steve has served in a variety of roles with GP since 2019. Having previously written and edited for such publications as Men’s Health, Men’s Journal, Esquire and ESPN, he enjoys covering a range of topics — but mostly those pertaining to cycling, snow sports, pocket knives and motos — and dreams of a utopian world in which everyone’s bike seat is at the proper height.

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