North Mountain Blade Jellyfish 4thGen 3.5in Böhler M390 Black Carbon Fiber Handle
North Mountain Blade Jellyfish 4thGen 3.5in Böhler M390 Black Carbon Fiber Handle
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North Mountain Blade Jellyfish-4thGen-Black – 3.5" Böhler M390 Titanium Frame Lock Folding Knife
The North Mountain Blade Jellyfish-4thGen-Black is the flagship 4th-generation Jellyfish folder, pairing a hand-polished Böhler M390 blade with a CNC-machined titanium frame lock and black carbon fiber handle. Ceramic ball bearings deliver a glassy-smooth front-flipper deployment, while titanium hardware and a brass-accented pivot collar give it a refined, premium feel. Going Gear is an authorized North Mountain Blade dealer.
North Mountain Blade Jellyfish-4thGen-Black Specifications
| Overall Length | 8" |
| Blade Length | 3.5" |
| Weight | 4.7 oz |
| Blade Steel | Böhler M390 (hand polished) |
| Blade Shape | Clip point |
| Handle Material | Black carbon fiber |
| Lock Type | Titanium frame lock with stainless steel lockbar insert |
| Pivot | Ceramic ball bearings with brass-accented pivot collar |
| Pocket Clip | Titanium |
| Deployment | Front flipper / titanium thumb stud |
Frequently Asked Questions
What blade steel does the North Mountain Blade Jellyfish-4thGen-Black use?
The North Mountain Blade Jellyfish-4thGen-Black features a hand-polished Böhler M390 blade, a premium powder steel known for outstanding edge retention and corrosion resistance.
What kind of lock does the North Mountain Blade Jellyfish-4thGen-Black have?
The North Mountain Blade Jellyfish-4thGen-Black uses a CNC-machined titanium frame lock with a stainless steel lockbar insert for a secure, durable lockup.
How smooth is the North Mountain Blade Jellyfish-4thGen-Black?
The North Mountain Blade Jellyfish-4thGen-Black rides on ceramic ball bearings for a glassy-smooth, frictionless front-flipper deployment — likely one of the smoothest flippers you'll handle.
How big and heavy is the North Mountain Blade Jellyfish-4thGen-Black?
The North Mountain Blade Jellyfish-4thGen-Black has a 3.5" blade, an 8" overall length, and weighs 4.7 ounces.
What handle and hardware does the North Mountain Blade Jellyfish-4thGen-Black have?
The North Mountain Blade Jellyfish-4thGen-Black has a black carbon fiber handle with a titanium pocket clip, titanium thumb stud, and a brass-accented pivot collar.
Where can I buy the North Mountain Blade Jellyfish-4thGen-Black?
The North Mountain Blade Jellyfish-4thGen-Black is available at Going Gear, an authorized North Mountain Blade dealer.

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