KB Flipper

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The Original Locking Flipper Knife for the KeyBar....The KB Flipper.
A Stand-Alone knife designed by Elliot Williamson of Ferrum Forge that will fit into any KeyBar with or without keys and other tools.

Blade Steel: S35vn
Blade length: 2.178"
Blade Thickness: .1"
Total Thickness: 5/8"
Overall Length: 5.67"
Rides on: Ceramic Bearings
Origin: Made in China by WE Knife Co.
***KeyBar Not Included***

The Story:
The idea sparked when I was using my KeyBar at work. I’ve always had my favorite knife, a Ferrum Forge Stinger, in one pocket and the KeyBar in the other. But one day I forgot my knife and I was trying to cut a zip tie with a key (we’ve all been there). I went that afternoon to see Elliot at FFKW and tell him about my idea to add a real knife to my KeyBar. -Andy (Nalpak, Inc.)


Will the KB Flipper work in any KeyBar? Yes, it will fit and work in any KeyBar with any keys or accessories.

Can you use the KB Flipper by itself? Yes, it is a stand-alone locking knife.

Will you be making any other blade shapes. Not at this time but we may in the future.

Can I take the KB Flipper apart? We suggest you don't do that as the bearings are loose and will fall out.

Additional Details


32 Reviews

  • 5

    Published by Robbie on May 2nd 2018

    Been waiting for a knife for the keybar forever. Have seen some come but for a locking flipper to be introduced was perfect! Great action, great materials, simply the best!

  • 5
    if I had more keybars I'd buy one for each of them.

    Published by Robert on Apr 24th 2018

    Great product! Great quality! Perfect blade and sharp as F! I would highly recommend this knife to anyone that has a keybar!

  • 5
    Kb flipper

    Published by Unknown on Apr 10th 2018

    Very happy with this purchase. Fits perfectly in my key bar. Quality materials and worth the price.

  • 5

    Published by J Parra on Mar 2nd 2018

    Whether I use it on my keybar or not, this is a solid knife.

  • 5

    Published by Adam K. on Feb 17th 2018

    Great design, lightweight, sleek, but rugged. Absolutely no play in knife to frame construction. Installed into my KeyBar and working flawlessly! Thank you for a superiorly built product!

  • 5
    great addition

    Published by Jason Pastrana on Feb 6th 2018

    This is an awesome addition to your KB! Slim,smooth, great quality! I would buy another jus as a stand alone knife.

  • 5
    kb flipper

    Published by Unknown on Jan 29th 2018

    It’s flipping awesome!!!

  • 5
    very cool

    Published by skip on Jan 19th 2018

    Great addition to my keybar. Smooth action in the flipper. If you want it get it its worth it.

  • 5
    mean box cutting machine

    Published by Unknown on Jan 18th 2018

    F***ing awesome

  • 5

    Published by Unknown on Jan 15th 2018

    Fits perfectly into the KeyBar and opens quick and smooth. One of the better knife inserts I’ve purchased for a KeyBar. Great product and very well made!

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