CIVIVI Button Lock Kitefin C24091-2 Review: Lightweight Aluminum EDC with Smooth Action and Tactical Style

By: Alice Hooper

There’s something satisfying about a knife that feels refined the moment you pick it up—and the CIVIVI Button Lock Kitefin (C24091-2) delivers exactly that. Known for its sleek profile and reliable performance, the Kitefin has already built a reputation in the EDC community. This button lock version takes things a step further, combining modern materials, smooth deployment, and a minimalist yet functional design.

After spending time with it—from unboxing to daily use—it’s clear this knife is built for those who want a clean, lightweight, and highly practical everyday carry tool.

Unboxing Experience: Clean and Premium Feel

Opening the box, CIVIVI keeps things simple yet polished. The knife is securely packaged, and once in hand, the first thing you notice is how lightweight yet solid it feels.

The silver aluminum handle gives it a modern, almost industrial look, while the black stonewashed blade adds contrast and durability. It’s a combination that feels both stylish and purpose-driven.

Right away, the ergonomics and slim profile suggest this knife is designed for easy pocket carry and everyday use.

Specifications Overview

General Dimensions

Model Number: C24091-2
Model Name: Button Lock Kitefin
Overall Length: 7.52″ / 191 mm
Blade Length: 3.22″ / 81.8 mm
Closed Length: 4.3″ / 109.2 mm
Blade Thickness: 0.12″ / 3 mm
Handle Thickness: 0.47″ / 12 mm
Width: 1.28″ / 32.6 mm
Overall Height (with clip): 0.68″ / 17.2 mm
Weight: 2.78 oz / 78.8 g

Packaging

Dimensions: 15.3 × 6.5 × 3.3 cm
Total Weight (with packaging): 5.28 oz / 149.8 g

Materials and Construction

Blade

Steel: 14C28N Stainless Steel
Hardness: 57–59 HRC
Grind: Hollow
Finish: Black Stonewashed
Style: Drop Point

The use of 14C28N steel is a smart choice. It’s known for:

Excellent corrosion resistance
Good edge retention for EDC tasks
Easy sharpening

The hollow grind enhances slicing performance, making it ideal for everyday cutting tasks.

Handle

Material: Aluminum
Finish: Silver

The aluminum handle keeps the knife:

Lightweight
Durable
Clean in appearance

It doesn’t have aggressive texturing, but the shape and finish provide enough grip for controlled use.

Hardware & Build

Pocket Clip: Tip-Up, Left/Right reversible
Clip Material: Stainless Steel
Screws: Stainless Steel
Pivot: Caged Ceramic Ball Bearings
Lock: Button Lock

Everything feels tight and well-assembled, with no rattling or inconsistencies.

Design: Slim, Modern, and Purposeful

The Kitefin lives up to its name—it’s sleek and streamlined, almost aerodynamic in profile. There’s no unnecessary bulk, making it ideal for minimalist EDC enthusiasts.

The drop point blade offers versatility, while the black stonewashed finish helps hide scratches and wear from daily use.

The overall design strikes a balance between:

Urban carry aesthetics
Practical cutting performance

Ergonomics: Lightweight Comfort

At just 2.78 ounces, this knife feels incredibly light in hand and in pocket.

The handle’s shape allows for:

Secure grip during normal use
Comfortable extended cutting sessions
Easy maneuverability

While it’s not heavily contoured, the simplicity works in its favor. It’s a knife you can use daily without fatigue.

Action and Locking System: Smooth and Addictive

The button lock mechanism is one of the highlights of this knife.

How It Performs

The flipper tab deploys the blade quickly and smoothly
The ceramic ball bearing pivot ensures fluid action
Pressing the button allows the blade to drop shut effortlessly

CIVIVI designed the button lock with a spring-loaded tension system, which:

Prevents accidental deployment
Provides just the right resistance
Ensures safe and controlled lock release

It’s one of those knives you’ll find yourself opening and closing repeatedly—just because it feels that good.

Blade Performance: Built for Everyday Tasks

The Kitefin isn’t meant to be a heavy-duty workhorse—but for everyday cutting, it excels.

Real-World Performance

Package opening: Effortless
Cardboard cutting: Smooth slicing thanks to hollow grind
Plastic and zip ties: Clean, controlled cuts
Light food prep: Works well for fruits and snacks

The 3.22-inch blade provides enough length for versatility without feeling oversized.

To evaluate real performance, the Kitefin was tested across common EDC materials. Its hollow grind and 14C28N blade clearly favor slicing efficiency and control.

Paper Test

Clean, effortless cuts with no tearing Result: Razor-sharp and precise.

Cardboard Test

Smooth slicing through single and thick cardboard
Maintains edge after repeated cuts Result: Excellent everyday performance.

Rope / Nylon Test

Quick bite with minimal sawing
Clean, controlled cuts Result: Reliable for utility tasks.

Denim Test

Cuts through layered fabric without slipping Result: Good edge aggression and control.

Wood Cork Test

Clean penetration and easy shaping Result: Strong precision and tip control.

Plastic / Zip Tie Test

Cuts cleanly with no edge damage Result: Durable and stable edge.

Can Test

Minor cosmetic wear, no edge damage Result: Holds up under light stress.

Summary

The Kitefin excels in precision, slicing, and everyday tasks, but is not built for heavy-duty use.

Carry and Practicality

This knife is designed for easy carry:

Slim profile fits comfortably in pocket
Reversible clip supports left- and right-handed users
Lightweight build makes it barely noticeable

It’s ideal for:

Office carry
Urban environments
Everyday utility

Pros and Cons

Pros

Lightweight and easy to carry
Smooth button lock action
Clean, modern design
Reliable 14C28N steel
Reversible pocket clip
Excellent build quality

Cons

Not designed for heavy-duty tasks
Aluminum handle can feel slightly slick in wet conditions
Minimal texturing may not suit all users

Who Is This Knife For?

The CIVIVI Button Lock Kitefin is perfect for:

Everyday carry users
Minimalists who want a lightweight knife
Fans of smooth, fidget-friendly action
Anyone looking for a reliable, stylish EDC blade

It’s not for extreme outdoor use—but that’s not its purpose.

Final Thoughts: A Refined Everyday Carry Option

The CIVIVI Button Lock Kitefin C24091-2 is a great example of how thoughtful design and quality materials can create a highly functional everyday knife.

It offers: