Spyderco Tenacious Brown G10, Satin CPM M4 by Eric Glesser (C122GBNM4P)

Tenacious Brown G10, Satin, one of the most popular EDC folders from the Value collection, this time equipped with brilliant CPM M4 steel. This excellent tool has gained a new dimension, becoming an excellent working knife that is up to any task! And all this while maintaining excellent value for money!

CPM M4, commonly referred to as M4, is a high-speed tool steel with balanced properties, produced at Crucible® Industries' U.S. steel mills. It is produced by Crucible® Particle Metallurgy (CPM). The CPM process produces a very homogeneous, high-quality steel with excellent dimensional stability, grindability and ductility compared to steels produced by conventional methods. It contains large amounts of vanadium 4.0% (V) and tungsten 5.5% (W) in its composition, which increases its strength and wear resistance. This gives it better performance than the M2, M3 and M7 varieties. The improved strength and wear resistance make this steel an excellent choice for premium and custom knives. Hardened anywhere from 60 to 65 HRc, CPM M4 steel is used for knives, cold working tools, punches and dies.

Blade - with the company's Leaf-Shaped profile (leaf shape), finished with an elegant Satin finish. Plain (smooth) blade was derived with Full Flat Grind. The enlarged 14mm round SpyderHole cutout (Spyderco patent) makes it easy to open the folder with cold or wet hands. The notched section of the Blade's back, ramp (spine jimping) gives solid support for the thumb which makes it easier to operate the knife. The entire blade is locked with the proven Liner Lock.

Skeleton - made of stainless steel plates, for the relief of openwork, which provide exceptional strength of construction, while forming the basis of Michael Walker's Liner Lock blade locking mechanism with notched liner. The whole was bolted together with torx screws for easy unfolding and folding of the folder.

Handle - made of G10 composite (pressure-pressed fiberglass with synthetic resin), beveled edges of the covers eliminate sharp edges. Open-backed design - so called open-backed fixed with steel spacer sleeves reduces weight and facilitates cleaning. Metal clip with four-way (up/down, right/left) 4-way clip positions. A hole (lanyard hole) in the back of the Handle for attaching a safety line.

Technical data:
Product number: C122GBNM4P
Product name: Tenacious Brown G10, Satin

Overall length: 196.0 mm / 7.71"
Blade length: 85.0 mm / 3.35"
Blade thickness: 3.0 mm / 0.12"
Handle length: 111.0 mm / 4.38"
Handle thickness: n.d.
Weight: 116.0 g / 4.1 oz

Blade material: CPM M4
Blade hardness: 58-63 HRC
Blade grind: Full flat
Blade finish: Satin

Handle material: G10
Handle finish color: Brown
Backspacer material: Stainless steel (spacer sleeves)
Backspacer color: Gray

Clip: Left / right, Tip-up / Tip-down
Clip material: Stainless steel

Pivot mechanism: Washers
Locking mechanism: Liner Lock
Opening method: Manual, thumb hole
Additional accessories: None

Designer: Eric Glesser
Brand: Spyderco
Manufacturer: Spyderco Inc., USA
Country of origin: USA

Developed by: the Sharg® company