Click to enlargeEXTREMA RATIO T911

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Knife? Tool? Both? Extrema Ratio designed this knife/tool at the request of the paratrooper regiment “Tuscania” to commemorate its 80th anniversary.* The T911 has a blade plus several useful tools. You can completely disassembled it in order to clean and maintain it. Blade is less than 3 inches [mm 76 (2.68 inches)] so it is acceptible in many areas that have restrictions on blade length.

BLADE: The T911 is a medium size folder with a modified spear point. The blade has a stone washed finish and a plain edge with a flat grind. Created with Bohler N690 cobalt steel. The blade rotates around an adjustible pin that you can adjusted for desired tension. A secondary screw locks this pin in position. Opens using a thumb stud and has a liner lock. Plus a red-colored safety lever you can use for additional, maximim reliability.

HANDLE: The handle is hard anodized Anticorodal aluminum alloy, with a black finish, shaped for ease of transition between reverse and saber grip. The T911 has a bridge clip that allows a deep carry with only the clip showing. The clip is reversible side to side. Tip up carry.

TOOLS: The handle has an integrated belt cutter with easily available industrial grade cutter blades, tungsten carbide glass breaker, a stainless-steel folding marlin spike and a flat screwdriver in AISI 420 steel, meant to help in rifle scope adjustment.

Length Opened: mm 193.04 (7.60 inches)

Length Closed: mm 115.57 (4.55 inches)

Weight: g 145 (5.11 ounces)

Blade Length: mm 76 (2.68 inches)

Blade Thickness: mm 4 (.16 inches)

Blade: N690 cobalt stainless steel

Blade Hardness: Rockwell 58 HRC

Screwdriver: AISI 420

Marlin Spike: Tempered Steel

Length of Marlin Spike: mm 45.72 (1.80 inches)

Serrations on Blade: No

Lock: Liner lock

Handle: Anticorodal aluminum alloy


* “On 19th December 1941, at Bluet El Asel, about 400 men of the 1st Battalion of Royal Paratrooper Carabinieri braved the assault of several Indian battalions: jumping from their foxholes and throwing improvised grenades, the “desert lions”, as Radio London defined them, held the line, allowing thousands of German and Italian soldiers to safely retreat. This was the first action in the history of Italian paratroopers.”

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