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Translated from the  Portuguese, the name MATO GROSSO means "thick jungle". Designed primarily for heavy vegetation but has shown to be effective in other situations where a dependable machete is needed. Extrema Ratio's Mato Grosso machete is an excellent tool for wilderness, for survival, for camping.


Efficient and slightly curved blade. Long and well-balanced. Very sharp. Has been used successfully to cut small trees, branches, shrubs, and dense vegetation. Impressive size and length. Well designed.


Forprene is used to make the handle and has a “rubbery” feel. Comfortable to hold. Performs well with wet hands. The Mato Grosso has the Extrema Ratio distinctive handle design that assures a good grip. Generous handle with a lanyard hole on the end with a heavy wrist cord included.


The Mato Grosso has a well-made, heavy-duty Cordura sheath. This is a light weight sheath and it is versatile since it is MOLLE compatible as well as suited for your belt. High quality.

Length of Knife: mm 482.60 (19.00 inches)

Blade Length (from handle to tip): mm 327.025 (12.875 inches)

Blade Length (sharpened area only): mm 295.275 (11.625 inches)

Total Length of Knife and Sheath: mm 508.00 (1 foot 8 inches)

Handle Length: mm 174.625 (6.875 inches)

Weight of Knife: g 382.719 (13.50 ounces)

Weight of Knife and Sheath: g 558.486 (1 pound 4 ounces)

Blade Thickness (widest part): mm 4.00 (0.16 inches)

Blade Width (widest section): mm 35.05 (1.38 inches)

Blade Steel: Bohler N690 cobalt stainless steel*

Blade Hardness: Rockwell 58 HRC

Grinding: Flat grind

Serrations on Blade: No

Lanyard Hole: Yes

Handle Material: Forprene**

Sheath Material: Heavy duty Cordura

MOLLE Compatible Sheath: Yes


* The blade is made with N690 cobalt stainless steel; a high performance steel with excellent cutting and sharpening characteristics. This steel is also used in the butchering industry and to make surgical instruments.

** Forprene (NATO Mil-Spec elastomer) has extreme temperature and moisture resistance

Availability: Usually ships in 2-3 business days

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