C159 Air

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The C159 Air was introduced in 2012 and is a small folding gentleman's knife designed by Gayle Bradley. A few notable features of the Air are the CPM M4 steel blade, the silver twill glass fiber laminate handle scales, and the fact that it was designed for pocket carry without a pocket clip.

Appearance in catalogs

The C159 Air appeared in the following catalogs:


Gayle Bradley

History, mentionings from the forums etc.

Information from the Spyderco catalog on the web

"The Air is meticulously manufactured from premium materials that literally allow it to live up to its name. Its handle is built on a foundation of full-length titanium liners that also support the structure of its Walker LinerLock mechanism. Skeletonized to reduce weight, the liners are covered with silver twill glass fiber laminate scales that provide a lustrous three-dimensional appearance and just enough texture for a secure grip. An open-back construction style further reduces the weight of the knife and allows for easy cleaning, while its unique internal stop-pin construction supports an exceptionally narrow, pocket-friendly profile.

The heart of the Air is its CPM M4 Wharncliffe-style blade. Combining a perfectly straight cutting edge with full-flat-ground bevels, it provides outstanding cutting performance for its size. A decorative swedge on the spine adds a visual accent to the design and provides a comfortable index-finger perch for scalpel-like control when cutting with the tip. Spyderco’s Trademark Round Hole nests comfortably in a scalloped recess in the handle when the blade is closed. More convenient and accessible than a traditional nail nick, it allows convenient opening with either one or two hands.

In the open position, the Air’s blade locks firmly via a LinerLock mechanism. To release the lock, two relief cutouts are provided in the opposite handle liner. One also serves as an access relief for the Round Hole, while the other, which is closer to the pivot pin, provides extra leverage for easy operation.

Unlike most Spyderco folding knives, the Air does not have a pocket clip. By design, it is a gentleman’s folding knife and is therefore intended to be carried inside the pocket.

The Air is a distinctive fusion of Gayle Bradley’s design talents and Spyderco’s tradition of innovation. The result is a new standard in gentleman’s pocket knives that offers both practical cutting performance and great pride of ownership." [1]


The C159 Air was made in Taiwan and features a:

SKU Handle Edge(s) Steel From/To MSRP Note Number made Grind Clip Clip positions Collectors club
C159CF Silver twill glas fiber laminate PE CTS-M4 2012-2015 249.95$ (2015) Regular production Full Flat n/a n/a Main

Most collectible variation

Questions regarding collecting the C159

Some interesting questions we are looking for an answer to:

Questions with an answer:

Technical information

Measurements (mm and grams) of the C159 Air:

Variation Length overall Length closed Length blade Length edge Hole Ø Blade thickness Weight
C159CF 151mm 87mm 65mm 60mm 11mm 2.3mm 37g

Measurements (inches and ounces) of the C159 Air:

Variation Length overall Length closed Length blade Length edge Hole Ø Blade thickness Weight
C159CF 5.96" 3.41" 2.55" 2.37" 0.43" 0.089" 1.3oz


  1. The C159 Air in Spyderco's online catalog


The C159CF Air, open and closed.

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