Description
The Brown Argus D takes its name from the D2 tool steel that surfaces as the blade is forged and etched — no two ever come out the same.
| Steel | D2 tool steel |
| Handle | – 410 stainless steel |
Built for: collectors and flipping enthusiasts. Smooth, satisfying action, honest high-carbon steel, and hand fit-and-finish that mass-produced trainers can’t match. A display and hobby piece in the traditional Filipino style.
FAQs
Is this a collector piece? Yes — handmade in the traditional Filipino style for collectors and flipping hobbyists.
Check your local laws: balisong ownership rules vary by state and country — please confirm yours before ordering.
What’s included? The balisong and a protective pouch/box.
Ships from Memphis, TN with our lifetime warranty — backed by 2,000+ verified 5-star reviews.
Model: BMK-405





George (verified owner) –
Overall, pleased with the knife. Very sharp out of the box. The box should come with a warning: “Sharp edge. Handle with care” . Sliced my thumb open wiping some oil off the blade. Has good action. The tang pin cups are a bit too large resulting in loose latch lock-up in the open or closed position. The leather sheath that came with the knife is very nicely made. I would have preferred adjustable/removable pivot pins like what’s pictured rather than the hidden pins. The overall look is cleaner with the hidden pins but I like to be able to adjust the pivots as the pivots tend to loosen up with use and I won’t be able to adjust it as needed. Still, I am very pleased with the knife especially with the fairly quick turn-around time and the price. Any of my nitpicking will be addressed with my next order which I plan on doing soon. Thank you.
Jakestatefarm –
This other reviewer said there should be a warning that says handle with care because he got cut.. you bought a knife and need to be warned not to cut yourself?? Kind of goes without saying.
Olivia G. (verified owner) –
This shop has an incredible selection of butterfly knives. The one I picked is a real showstopper, and it feels great in my hand. I appreciate the quality and uniqueness of their products.
Samuel H. (verified owner) –
The butterfly knife I got from this store exceeded my expectations. It’s both visually stunning and incredibly functional. I’ll definitely be back for more of their exceptional knives.
Ethan C. (verified owner) –
The craftsmanship on the butterfly knife I received is remarkable. It’s clear that a lot of care went into making it. Flipping it open is a breeze, and it’s sharp as can be.
Maria S. (verified owner) –
I stumbled upon this store while looking for a special gift, and I’m so glad I did. The knife I bought is not only visually stunning but also incredibly functional. A fantastic find!
Lily S. (verified owner) –
I recently added a steel butterfly knife from this shop to my collection, and it’s quickly become one of my favorites. It’s not just a tool; it’s a piece of functional art.
Daniel B. (verified owner) –
This store offers an outstanding selection of butterfly knives. The one I chose is a real gem, and it’s a joy to flip open. The steel feels solid and reliable.