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Spyderco Endura 4 Lightweight K390 - C10FPK390 - K390 Drop Point - Blue FRN - Lock Back

  • Spyderco Endura 4 Lightweight K390 - C10FPK390 - K390 Drop Point - Blue FRN - Lock Back
  • Spyderco Endura 4 Lightweight K390 - C10FPK390 - K390 Drop Point - Blue FRN - Lock Back
  • Spyderco Endura 4 Lightweight K390 - C10FPK390 - K390 Drop Point - Blue FRN - Lock Back
  • Spyderco Endura 4 Lightweight K390 - C10FPK390 - K390 Drop Point - Blue FRN - Lock Back
  • Spyderco Endura 4 Lightweight K390 - C10FPK390 - K390 Drop Point - Blue FRN - Lock Back
  • Spyderco Endura 4 Lightweight K390 - C10FPK390 - K390 Drop Point - Blue FRN - Lock Back
  • Spyderco Endura 4 Lightweight K390 - C10FPK390 - K390 Drop Point - Blue FRN - Lock Back
  • Spyderco Endura 4 Lightweight K390 - C10FPK390 - K390 Drop Point - Blue FRN - Lock Back
Average rating:
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SKU: SP-C10FPK390
$153.00
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Optional Services / Add-onsWant it to shave? - $5.00
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Knife is sharpened to a razor edge. This service is done on a 2" x 72" Burr King and finished on a Baldor buffer using a leather wheel. Blades are kept cool so overheating is not an issue. Please keep in mind that items that receive this service are non-refundable. If you feel we have made a mistake, please contact us and we will make it right.

Sharpening Choil - $5.00
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Sharpening Choil Add-On - A small notch that is ground into the edge where it meets the unsharpened part of the blade. This can help with keeping your sharpened edge straight. People either hate ‘em or love ‘em. This procedure can also be done at home with a small round diamond file. 

     

 

Bronze Heat Colored Screws & Acid Stonewash Clip - $15.00
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Bronze Heat Colored Screws & Acid Stonewash Clip Add-On - The knife is disassembled and a small amount of heat is applied to the hardware to change it to a bronze color. The black paint is stripped off the pocket clip and acid stonewashed to match the blade. Everything is reassembled and tested for fit and finish.

Heat color screws and acid stonewash clip               

             

 

 

Acid Stonewash Blade / Clip (Satin ONLY) - $25.00
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Acid Stonewash Blade / Clip (Satin ONLY) Add-On - Blades and satin finished clips (not coated) are acid stonewashed. Wire clips cannot be acid stonewashed. Sharpening is included with this add-on. Please allow 10 business days for completion.

 Laser Mark Your Knife - only $8.99
*add-ons can delay shipment 24-48 hours
Have Questions? Check out the Custom Mod and Add-On FAQ
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BRANDSpyderco Knives
PRODUCT TYPEKnives
PRODUCT CATEGORYFolding
OVERALL LENGTH8.78"
CLOSED LENGTH4.98"
BLADE LENGTH3.80"
BLADE STEELBohler K390
BLADE TYPEDrop Point
BLADE EDGEPlain
BLADE GRINDFlat
LOCKING MECHANISMLockback
HANDLE MATERIALFRN
CARRY4-Way
OPENING MECHANISMThumb Hole
ORIGINJapan
WEIGHT3.3 oz.
BLADE FINISHTumbled
STEEL TYPETool Steel
MODELEndura 4

Spyderco Knives: Spyderco Endura 4 Lightweight K390, SP-C10FPK390


The C10FPK390 Spyderco Endura 4 Lightweight K390 Knife is a new iteration of a classic everyday carry that features a 3.80 inch drop point blade made of Bohler-Uddeholm K390 tool steel, .118 inch thick. The blade has a full flat grind, a notched thumb ramp for secure grip, and the Spyderco Hole for ambidextrous one hand opening. The blue FRN (fiberglass nylon resin) handle, 4.98 inches closed, has ergonomic contours and Bi-Directional Texturing for secure purchase, sturdy lockback, a lanyard hole, and a 4 position steel pocket clip. The Spyderco Endura 4 Lightweight K390 Knife has an overall open length of 8.78 inches, and it weighs 3.3 ounces. Made in Japan.

From the 2020 Spyderco Reveal 5 product guide: In 1990 Spyderco shook things up by introducing two knives, the Delica and Endura. First of their kind on the market, both folders opened up the knife market to lightweight performance, one-hand open pocketknives that just about everyone could afford. They settled as our top two bestsellers and their improvement hasn't slowed since.

We've always taken great pride in our efforts to push the envelope of performance by offering exotic blade steels in our knives. With that spirit in mind, we are proud to offer the Endura 4 Lightweight with a blade crafted from K390.

Manufactured by Böhler-Uddeholm, K390 MICROCLEAN® is a state-of-the-art cold work tool steel produced by the particle metallurgy process. Its advanced alloy mix was specifically developed to provide the extreme wear resistance and high compressive strength needed in industrial cutting, blanking, and punching operations. Despite its toughness, its exceptionally fine, homogeneous microstructure also makes it readily machinable and easy to heat treat.

Collectively, these qualities make K390 an outstanding blade material for true steel connoisseurs.


Spyderco Knives: Spyderco Endura 4 Lightweight K390, SP-C10FPK390

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Average rating:
average rating 100%
1 reviews

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Featured Reviews:

average rating 100%
Awesome EDC 01/09/2021
By Ben
This K390 version looks great with the Heat Color Screws and Acid Stonewash Blade & Pocket Clip. Very quick turnaround by Knives Plus on the custom options.