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The TASK is a well-named fixed blade from Extrema Ratio. It is designed primarily to handle a variety of your heavy duty jobs. TASK is classified by Extrema Ratio as a multi-purpose knife. Tough and definitely Italian.


Blade and handle designed to give you a better good grip closer to the cutting area of the blade. Gripping the TASK and extending your finger along the jimping not only allows more pressure but gives you greater control. The serrations on the blade are 1.68 inches in length (mm 42.67). The Extrema Ratio TASK has an extended tang to form a lanyard hole.


The handle has the well-designed, classic Extrema Ratio shape and has a non-slip texture for gripping power.


The sheath for the TASK is a double sheath. The outer sheath is a reinforced Nylon soft sheath with leg strap. This leg strap stabilizes the sheath and keeps your knife ready for use. Inside there is a hard sheath made of a Nylon composite with 15% Fiberglass and has an automatic detention. This is where your blade actually sits.

Length of Knife: mm 290.07 (11.42 inches)

Blade Length: mm 160.02 (6.30 inches)

Total Length of Knife and Sheath: mm 330.20 (13.00 inches)

Weight of Knife: g 260.82 (9.20 ounces)

Weight of Knife and Sheath: g 501.79 (1 pound 1.7 ounces)

Blade Thickness (Widest Part): mm 6.30 (0.25 inches)

Blade Width (Widest Section): mm 32.77 (1.29 inches)

Blade Steel: Bohler N690 cobalt stainless steel*

Blade Hardness: Rockwell 58 HRC

Grinding: Flat grind

Serrations on Blade: Yes

Handle: Forprene**

Handle Length: mm 122.94 (4.84 inches)

Sheath: Double sheath

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 has extreme temperature and moisture resistance.

Availability: Usually ships in 2-3 business days

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