Spyderco byte February 2017
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MSRP: $99.95

Savvy Spyderco fans are no doubt familiar with the relationship between the Spyderco product line and our economical byrd® line of knives. You’ve probably also noticed that our most popular byrd models—the Cara Cara™ and Meadowlark™—were inspired by their Spyderco brethren, the Endura® and Delica®. While that type of evolutionary inspiration has been the norm, the new Spyderco Polestar™ reverses that trend.

The inspiration for the Polestar actually came from the byrd Raven™—or more accurately, the second-generation Raven 2. Released in 2008, the original Raven was an all-purpose utilitarian folding knife designed by Spyderco co-founder Sal Glesser. In 2015, Sal’s obsession with Constant Quality Improvement (C.Q.I.) prompted him to rework the design to incorporate improved ergonomics, enhanced edge geometry, and US-made CTS® BD1 blade steel. The resulting Raven 2 marked a significant turning point for the style and manufacturing quality of the byrd line. It also made die-hard fans of premium Spyderco products stand up and take notice of the iconic lines and impressive features of the Raven 2 design. Soon, customers were clamoring for a true Spyderco version of the knife, Trademark Round Hole™ and all. The response to that demand is the Polestar.

Like the Raven 2, the Polestar was designed specifically for budget-conscious knife users. It packs all the defining features and benefits of our most iconic Spyderco models into a practical, full-service folding knife priced to fit virtually any budget. The heart of the Polestar is its signature leaf-shaped blade, which is precision machined from American-made Carpenter® CTS® BD1 stainless steel to offer outstanding edge retention, corrosion resistance, and ease of sharpening. Its Trademark Round Hole is fully accessible from either side to allow quick, ambidextrous, one-hand opening, while the full-flat grind and distal taper give it an exceptional combination of edge geometry, point utility, and low-friction cutting performance. Unlike the Raven 2, the Polestar’s impressive PlainEdge™ cutting edge extends the full length of the blade and does not include an index-finger choil.

The Polestar’s high-performance blade is paired with an ergonomic handle built with full, skeletonized stainless steel liners. The liners provide excellent structural strength and form the foundation of a sturdy LinerLock mechanism that locks the blade securely open during use. To ensure a secure, hand-filling grip, they are capped with handsome gray G-10 scales with a non-slip “checked” texture. The handle’s open-backed construction style reduces weight and simplifies cleaning, while a strategically placed relief cut in the obverse side scale allows easy release of the lock when closing the knife. A four-position hourglass clip with a broad, triangular base supports all possible carry positions, including right or left-side tip-up or tip-down carry, and an oversized lanyard hole allows the easy attachment of fobs, lanyards, and safety lines.
A shining example of “reverse evolution,” the Polestar sets a new standard in affordable high performance.

OVERALL: 7.81in 198mm
BLADE: 3.30in 84mm
EDGE: 3.15in 80mm
WEIGHT: 3.9oz 111g
GRIND: Full-Flat

A Deeper Look at K390
Since we made our first knife nearly 40 years ago, Spyderco has earned an enviable reputation as one of the industry leaders in the use of new and exotic blade steels. In addition to large-scale innovation—like the rustproof H-1® used in our Salt Series™—we also enjoy offering specialized, high-performance steels in select products. This allows customers with an advanced appreciation of cutlery steels to experience the performance nuances of exotic blade materials.

With this spirit in mind, Spyderco is proud to introduce several knives featuring K390 MICROCLEAN® steel. Manufactured by Böhler-Uddeholm, K390 is an advanced cold work tool steel produced by the particle metallurgy process. Its sophisticated alloy mix was specifically developed to provide the extreme wear resistance and high compressive strength needed in industrial cutting, blanking, and punching operations. Remarkably, its exceptionally fine, homogeneous microstructure also makes it readily machinable and easy to heat treat. As a blade steel, these qualities translate to outstanding edge retention and excellent toughness. In fact, the FAQ page on Böhler-Uddeholm’s web site openly states “Our best tool steel for edge retention and toughness is Bohler K390...” When a steel manufacturer of their status makes a statement like that, it says a lot.

K390's unique alloy composition includes the following elements: Carbon - 2.47%, Chromium - 4.20%, Molybdenum - 3.80%, Manganese - 0.40%, Vanadium - 9.00%, Tungsten - 1.00%, Cobalt - 2.00%, and Silicon - 0.55%. Note that its relatively modest chromium content is well below the 13% threshold for a stainless steel. As such, it is a true tool steel and must be properly maintained to prevent corrosion.

Spyderco’s first offering in K390 was our MT17 Mule Team knife. In the knife industry, a “mule” is a sample knife used for performance testing. Based on our own extensive in-house tests and feedback from devoted Mule Team fans, we were very excited about K390’s performance. We therefore decided to use it in a special Sprint Run version of the Urban™ Lightweight SLIPIT™. Housed in a distinctive gray fiberglass-reinforced-nylon (FRN) handle, the K390 blade supercharges the cutting performance of the Urban and makes it one of the most capable non-locking cutting tools available.

If you’ve taken the time to review Spyderco’s 2017 Product Guide, you may have noticed another K390-bladed knife on the horizon—the Police™ 4. The latest evolution of our venerable Police Model, this fourth-generation design will feature refined ergonomics and a voracious full-flat-ground K390 blade. It is slated for release later this year.

Pushing the envelope of performance is a Spyderco obsession. We are proud to offer elite cutlery steels like K390 to our customers and look forward to your feedback on their real-world performance.

UrbanTM Lightweight K390 Sprint

Originally introduced in 2009, the Urban is a member of Spyderco's unique SLIPIT™ class of folding knives. This hybrid breed combines our revolutionary Trademark Round Hole™ and pocket clip with an enhanced notch-joint spring mechanism to create legally permissible non-locking folding knives that offer the advantages of one-hand opening and convenient clip carry.

This one-of-a-kind Sprint Run variation of the Urban Lightweight features a gray FRN handle and a full-flat-ground blade crafted from K390 MICROCLEAN
® steel. Combining the very best of socially friendly design and high-performance blade steel, this distinctive Sprint Run expression of the Urban Lightweight is one of the most remarkable and collectible SLIPIT knives we've ever produced. Get one while supplies last!

the OFFICIAL Spyderco Facebook Group is Here!

Spyderco truly appreciates our customers’ passion for our knives and your efforts to share that passion on social media. That fanatic enthusiasm has led to the creation of a number of Spyderco-oriented Facebook Groups where devoted Spyderco fans interact to share photos, experiences, questions, and insights related to all things Spyderco. However, it has also led to some confusion—especially when questions posted on these groups go unanswered.

To be honest, we simply do not have the staff to monitor every Spyderco-related Facebook group and provide official responses to the many questions discussed there. After giving the issue a lot of thought, we decided to create our own Spyderco OFFICIAL Facebook Group. Unlike our company Facebook page, which is primarily one-way communication, our OFFICIAL Facebook Group allows Spyderco fans to drive the discussion and interact with each other—and us. If a topic comes up that requires our attention, you can rest assured that we’ll be watching and will chime in with an official response.

Like the Spyderco Forum, we want our Facebook Group page to be a place devoted to lively discussion about our products, our company, and what makes them both so special. As such, the Group has clearly defined rules of conduct that we will enforce. We welcome you to join and participate, but ask that you please read and abide by the rules posted there.

The Spyderco OFFICIAL Facebook Group is just one more example of our commitment to serving our customers the best way we know how. We look forward to seeing you there!
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Spyderco, Inc.
820 Spyderco Way
Golden, CO 80403

800-525-7770 (T - Toll-Free)
303-279-8383 (T)
303-278-2229 (F)


Copyright © 2017. All rights reserved. All product names, art and text herein are the property of Spyderco, Inc. and may not be reproduced in part or whole without the sole written permission of Spyderco, Inc.

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Spyderco, Inc. · 820 Spyderco Way · Golden, Colorado 80403 · USA