Skip to main content
We may get paid by partner for deals, including promoted items

Menu

Trending
Top Brands Palmetto State ArmoryHot Yeti CoolerDeal NatchezDeal SitkaDeal 5.11Sale Winter Clearance Amazon Pickleball Sale Amazon FitnessHot Stores
Extrema Ratio N.K.2 Fixed Blade Knife 5in N690 Stainless Tanto Blade Black Kydex Handle by Extrema Ratio - Knives & Tools

Product Description

Extrema Ratio N.K.2 Fixed Blade Knife 5in N690 Stainless Tanto Blade Black Kydex Handle. 7cm) overall. 2" (5.08cm) black oxide coated Bohler N690 stainless tanto blade. One-piece construction. Lanyard hole. Black Kydex neck sheath. Boxed. Specifications for Extrema Ratio N.K.2 Neck Knife Black: Manufacturer: Extrema Ratio Blade Length: 5.08 cm Package Contents: Extrema Ratio N.K.2 Neck Knife Black Extrema Ratio 04.1000.0204/BLK: N.K.2 Fixed Blade Knife 5in N690 Stainless Tanto Blade Black Kydex Handle

Extrema Ratio N.K.2 Fixed Blade Knife 5in N690 Stainless Tanto Blade Black Kydex Handle

at Optics Planet
Browse all Optics Planet deals
$161.00
In Stock at Optics Planet
Price checked 14 days ago
Buy Now at Optics Planet
Secure checkout Easy returns
or compare prices
Amazon logo Amazon eBay logo eBay

Product Details

Category Knives & Tools
Brand Extrema Ratio
Color Blacks
Size 5in
Gender Man
Sports & Outdoors Knives & Tools Extrema Ratio

More from Extrema Ratio

Browse All Knives & Tools
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio Satre Neck SW Fixed Blade Knife 6.38in N690 stainless Blade Black Paracord Handle Extrema Ratio Satre Neck SW Fixed Blade Knife 6.38in N690 stainless Blade Black Paracord Handle View Details
$165.00
Buy Now · $165.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio Satre Fixed Blade Knife 6.38in N690 Stainless Blade Black Paracord Handle Extrema Ratio Satre Fixed Blade Knife 6.38in N690 Stainless Blade Black Paracord Handle View Details
$171.00
Buy Now · $171.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio Satre Expedition Fixed Blade Knife 6.38in N690 Stainless Blade Desert Camo Handle Extrema Ratio Satre Expedition Fixed Blade Knife 6.38in N690 Stainless Blade Desert Camo Handle View Details
$196.00
Buy Now · $196.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio BF2 HELMSMAN Dive Linerlock Folding Knife 4.75in N690 Stainless Drop Point Blade Gray Anodized Aluminum Handle Extrema Ratio BF2 HELMSMAN Dive Linerlock Folding Knife 4.75in N690 Stainless Drop Point Blade Gray Anodized Aluminum Handle View Details
$289.99 $310.00
6% off
Buy Now · $289.99
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio DMP Fixed Blade Knife 11.13in N690 Stainless Blade Ranger Green Forprene Handle Extrema Ratio DMP Fixed Blade Knife 11.13in N690 Stainless Blade Ranger Green Forprene Handle View Details
$305.00
Buy Now · $305.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio K-Talon SW Fixed Blade Knife 2.75in N690 Stainless Karambit Blade Black Anodized Aluminum Handle Extrema Ratio K-Talon SW Fixed Blade Knife 2.75in N690 Stainless Karambit Blade Black Anodized Aluminum Handle View Details
$310.00
Buy Now · $310.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio MF0 T Linerlock Folding Knife 4.38in N690 Stainless Tanto Blade Black Anodized Aluminum Handle Extrema Ratio MF0 T Linerlock Folding Knife 4.38in N690 Stainless Tanto Blade Black Anodized Aluminum Handle View Details
$290.00
Buy Now · $290.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio DMP Fixed Blade Knife 11.13in N690 Stainless Blade Black Forprene Handle Extrema Ratio DMP Fixed Blade Knife 11.13in N690 Stainless Blade Black Forprene Handle View Details
$333.00
Buy Now · $333.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio MF0 T Linerlock Folding Knife 4.38in N690 Stainless Tanto Blade Tan Anodized Aluminum Handle Extrema Ratio MF0 T Linerlock Folding Knife 4.38in N690 Stainless Tanto Blade Tan Anodized Aluminum Handle View Details
$325.00
Buy Now · $325.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio Fulcrum S Fixed Blade Knife 11in N690 Stainless Tanto Blade Desert Tan Forprene Handle Extrema Ratio Fulcrum S Fixed Blade Knife 11in N690 Stainless Tanto Blade Desert Tan Forprene Handle View Details
$383.00
Buy Now · $383.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio Sethlans Expeditio 8.88in Fixed Blade Knife N690 Stainless Blade Tan G10 Handle Extrema Ratio Sethlans Expeditio 8.88in Fixed Blade Knife N690 Stainless Blade Tan G10 Handle View Details
$461.00
Buy Now · $461.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio Herring NE Fixed Blade Knives 6.57 in Bohler N690 Stainless Blade Dagger Blade Brass Handle Extrema Ratio Herring NE Fixed Blade Knives 6.57 in Bohler N690 Stainless Blade Dagger Blade Brass Handle View Details
$604.00
Buy Now · $604.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio NK1 Neck Knife Stonewashed EX Extrema Ratio NK1 Neck Knife Stonewashed EX View Details
$168.00 $193.99
13% off
Buy Now · $168.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio NK1 Neck Knife Black EX Extrema Ratio NK1 Neck Knife Black EX View Details
$179.00 $209.99
15% off
Buy Now · $179.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio NK1 Neck Knife Desert Warfare Fixed Blade Knife 5in Overall 1 3/4in Blade One Piece N690 SS Construction w/Desert Warfare Finish Extrema Ratio NK1 Neck Knife Desert Warfare Fixed Blade Knife 5in Overall 1 3/4in Blade One Piece N690 SS Construction w/Desert Warfare Finish View Details
$183.00
Buy Now · $183.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio Satre Neck Knife Black S600 Extrema Ratio Satre Neck Knife Black S600 View Details
$192.00
Buy Now · $192.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio Requiem Fixed Blade Desert Fixed Blade Knife 9.25in Overall 4.5in Stonewash False Edge N690 SS Stiletto Style Blade Desert Tan Forprene Extrema Ratio Requiem Fixed Blade Desert Fixed Blade Knife 9.25in Overall 4.5in Stonewash False Edge N690 SS Stiletto Style Blade Desert Tan Forprene View Details
$181.00
Buy Now · $181.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio Requiem HCS Fixed Blade Knife 9.25in Overall 4.5in Stonewash False Edge N690 SS Stiletto Style Blade Hcs Forprene Handle Hcs Nylon Molle Extrema Ratio Requiem HCS Fixed Blade Knife 9.25in Overall 4.5in Stonewash False Edge N690 SS Stiletto Style Blade Hcs Forprene Handle Hcs Nylon Molle View Details
$181.00
Buy Now · $181.00
Optics Planet
Optics Planet
Last Updated:
Aug 10, 2026 08:31 PM
Extrema Ratio Requiem Ranger Green Fixed Blade Knife 9.25in Overall 4.5in Stonewash N690 SS Stiletto Style Blade Green Forprene Handle Green Nylon Extrema Ratio Requiem Ranger Green Fixed Blade Knife 9.25in Overall 4.5in Stonewash N690 SS Stiletto Style Blade Green Forprene Handle Green Nylon View Details
$181.00
Buy Now · $181.00
Optics Planet