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Boker Plus - USAF (US Air Force) Survival Knife - 4.53" Blade - SK-5 - Brown Aluminum Handle - 02BO155

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Product Description

The Boker Plus USAF Survival Knife is a reissue of extremely rare standard issue knife. In the late 1940's, General Curtis LeMay, the head of the Strategic Air Command (SAC), authorized the creation of a survival kit for the crews of the long range bombers. Requirements were to be an effective tool for survival in the wild, with the ability to perform a number of functions to include field dressing and cleaning fish. A must was that the knife had to be lightweight. The Air Force reviewed the Randall Model 14, but deemed it too heavy.

Decision makers who were well aware of the Tree Brand product requested input from Boker. The initial production of 300 pieces for evaluation resulted in immediate approval and the Boker fixed blade became the official survival knife of the U.S. Air Force. The 8 3/8" overall knife has a 4 1/2" SK5 carbon steel blade, mirror finished. The handle is crafted of leather, with aluminum and brass spacers and pommel. Includes an SAC leather sheath.

  •  Fixed Blade
  •  8,27 in
  •  4,53 in
  •  0,09 in
  •  3,60 oz
  •  SK-5
  •  Aluminum
  •  Fixed
  •  Brown
  •  02BO155


SK-5 is a modern carbon steel suitable for large knives as well as tomahawks and axes. Its hardness grade is 57-60 HRC. We use it in coated form for our Boker Plus tomahawks.


Aluminum is a soft and tough metal, it is very light and at the same time has a high strength. The metal is also recyclable.

It has been extracted for about 200 years, initially it was more expensive than gold. Through improved methods, prices have declined over the years, as aluminum is the third most abundant element on earth and the most common metal in the earth's crust. It usually appears to us as matte and silvery, but the surface of the metal is actually silvery-white glossy. However, since aluminum reacts with oxygen, a thin aluminum oxide layer is formed. This results in the matte appearance.

Aluminum is very popular in many branches of industry due to its specific strength (and at the same time low volume). Thus it is used especially where a small mass is important. A lot of aluminum is used in the aerospace industry, as well as in the automotive industry.