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OUR LATEST HOLIDAY DEALS Details
Part #: SP228CFP | Spyderco Knives
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Description
SP228CFP: C228CFP Paul Alexander Sliverax
Spyderco
 
The Sliverax is a sleek, extremely innovative folder designed by automotive engineer and knife enthusiast Paul Alexander. The first factory-made folding knife to combine an index-finger flipper opener with Spyderco’s patented Compression Lock mechanism, it offers lightning-quick deployment, impressive structural strength, and world-class cutting performance.

Paul Alexander is a Doctor of Philosophy (PhD) in Mechanical Engineering and a researcher for one of the leading manufacturers in the automotive industry. With nearly 100 patents to his credit so far, he is a recognized expert in the design and engineering of automotive systems and a specialist in state-of-the-art industrial materials. And when someone of his caliber decides to try his hand at designing knives, it’s no surprise that the result is something special.

Alexander’s first collaboration with Spyderco, the Ouroboros, was released in 2016. It introduced the knife community to his highly refined design style and immediately whet its appetite for more. He quickly responded, pushing the envelope of creativity even further with the Sliverax.

The Sliverax actually represents the confluence of three powerful features: a Kit Carson-inspired flipper opener, a fully accessible Trademark Round Hole, and Spyderco’s high-strength Compression Lock mechanism. The flipper and Round Hole allow the knife to be quickly deployed with a full range of one-handed opening techniques that both work equally well with either hand. The Compression Lock mechanism not only locks the blade securely open when in use, but also helps prevent unintentional closing of the knife because the lock release is located in the spine of the handle.

This knife’s sleek drop-point blade is crafted from CPM-S30V stainless steel and features a full-flat grind for low-friction edge geometry. The seamless flow of the blade and handle creates a slightly negative blade angle, which enhances cutting leverage and places the point on the knife’s centerline for maximum utility and control. The negative angle also shortens the blade’s opening arc to further increase the speed and reliability of one-handed openings. Once open, the blade’s flipper serves as a highly functional lower guard to provide additional grip security when in use.

The handle of the Sliverax features a lightweight, easy-to-clean, open-backed construction style that is both stylish and extremely ergonomic. Its stunning carbon fiber/G10 laminate scales are precision machined to house nested stainless steel liners that form the foundation of the knife’s high-strength Compression Lock mechanism. This patented lock is located in the spine of the handle and is mechanically very different than a conventional LinerLock. It offers far greater strength, greatly reduces the possibility of unintentional release during use, and allows the blade to be easily closed with only one hand without placing one’s fingers in the path of the edge.

To provide the optimal balance between low-profile and immediate access, the Sliverax includes a reversible deep-pocket wire clip for tip-up carry. Its unique see-through style blends with the pants material and positions the knife low in the pocket for secure, extremely discreet carry, yet still keep it poised for a rapid draw.

The Sliverax is a truly groundbreaking folding knife that showcases the talents of a world-class industrial designer and mechanical engineer. Combining the strength and user-friendliness of our Compression Lock with unparalleled ease of deployment, it offers unique advantages not found in any other Spyderco knife.
Specifications
  • Blade Length: 3.48"
  • Closed Length: 4.64"
  • Overall Length: 8.00"
  • Cutting Edge: 3.48"
  • Blade Thickness: 0.142"
  • Blade Material: CPM-S30V Stainless Steel
  • Blade Style: Drop Point
  • Blade Grind: Full-Flat
  • Blade Finish: Satin
  • Blade Edge: Plain
  • Handle Material: G10/Carbon Fiber Laminate
  • Handle Color: Black
  • Locking Mechanism: Compression 
  • Pocket Clip: Tip-Up, Right/Left Carry
  • Model Number: C228CFP
  • Model Name: Sliverax
  • Weight: 3.3 oz.
  • Made in Taiwan
S30V Stainless Steel
S30V Stainless Steel
A hardened wear and corrosion resistant stainless steel developed in collaboration with Chris Reeve. It is known for its improved sharpness and toughness. This is a premium grade steel only used in high end knives. Composition: Carbon 1.45%, Chromium 14.00%, Vanadium 4.00%, Molybdenum 2.00%
Pocket Clip
Pocket Clip
Includes a pocket clip for easy accessibility and a more secure carry.
Carbon Fiber Handles
Carbon Fiber Handles
Very strong and lightweight material. Provides an upscale and modern feel.
4.500 (2 reviews)
4.5 out of 5 stars
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5 out of 5
Felix
Nashville, TN
Nov 20, 2017
Pros: Blade Sharpness, Lock Type, Handle Material, Overall Quality, Pocket Clip, Ease of Opening, Handle Feel, Weight, Lock Ease of Use, Blade Material
Cons: None
What’s not to like?
This is my first knife purchase over $60 and I own 25 knives. This knife far exceeds all of them. A lot of knife in a small lightweight package. I love everything about it the flipper and compression lock. It’s my edc and if I were to loose it I wouldn’t hesitate to by another one. I’d vote it “knife of the year”.
4 out of 5
Francois
Switzerland
Nov 12, 2017
Pros: Blade Sharpness, Handle Material, Overall Quality, Pocket Clip, Ease of Opening, Lock Type, Handle Feel, Weight, Lock Ease of Use, Blade Material
Cons: Weight, None
Not a flipper knife
I like flipper knives.... but for this one, I will not have put one on it, when you take the knife in your hand .... the round hole is SOO PERFECT that you use it instinctively, il is so easy ! and it is where the flipper is on the way it a a guard but put your hand away back on the handle (and why to have a guard with a soo big finger choil ? ) and when you close the blade the flipper ask you to put your finger far away to not be on the way. So, I love his look, how it feel the hand but if if I wanted to use it, I’ll cut the flipper with a Dremell .... I don’t know.... perhaps...
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