Boker Magnum - Rustic - 3.35" Blade - 440A - Brown Stainless Steel, Zebrawood Handle - 01SC075

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$40.99

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788857743751

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Product Description

Magnum Rustic

The uncompromising, rock-solid Magnum Rustic is equipped with a functional clip-point blade made of 440A stainless steel, which is opened by nail nick. The robust knife is equipped with handle scales of finely grained zebra wood and stainless steel bolsters. A stable backlock locks the opened blade reliably and qualifies the knife for rough use. Jimpings in the thumb rest area additionally increase work safety. With lanyard hole.

Type: Pocket Knife
Made in: Asia
Overall Length: 8,07 in
Blade Length: 3,35 in
Blade Thickness: 0,12 in
Weight: 5,36 oz
Blade Material: 440A
Handle Material: Stainless Steel, Zebrawood
Opener: Nail Nick
Opening: Manual
Lock Type: Backlock
Color: Brown
Item Number: 01SC075

440A

The American 440A is a decent starter steel. We use it widely in our Magnum series. It is not to be confused with the higher-quality 440B and 440C.

Stainless

Steel types with a high level of corrosion and acid resistance are called stainless. Stainless steel is used in almost all industries for many different applications. However, it would be correct to call these steel products "rust-resistant" or "rustproof", because even stainless steel can rust under adverse conditions. Stainless steel contains more than 10.5% chromium that must be dissolved in the austenitic or ferritic solid solution. Other alloy components such as nickel, molybdenum, manganese or niobium add even better corrosion resistance.

Although the name is commonly used, it is actually incorrect to equate high-grade steel with stainless steel. Not all high-grade steel is stainless, and not all stainless steel types are high-grade steel. The requirements for stainless steel are clearly defined and may be met by some high-grade steel types, even though this isn't always the case.

Steel

According to DIN EN 10020:2000–07, the term steel describes a material in which the iron content exceeds the content of all other elements. Its carbon content is generally below 2.06% and it does contain other elements. However, there are exceptions to this rule, e.g. CPM-10V (2.45% carbon) or ZDP-189 with a full 3% carbon. Steel needs a minimum carbon content of 0.22% to be hardened.

Backlock

Backlock (or: Lockback or Back-Lock) is the mechanism in certain lockable pocketknives.

The handle of a Lockback knife contains a mechanism that allows the blade to be locked in place and then unlocked again. The blade of a Lockback knife also has a small notch on the end of the tang. The mechanism hidden in the handle of a Lockback knife consists of a rocker and a spring. The rocker is a long and slim piece of metal running from the front end of the handle almost all the way to the back end. The front end of the rocker close to the blade ends in a hook.

When the blade is open, the hook is lodged in the notch on the tang and locks it. The back end of the rocker is not fully covered by the handle. A small part of it on the back of the handle is left open to allow operation. A small spring, usually not visible from the outside, is located underneath the rocker. When it is triggered, it pushes the rocker back into its original position. The Lockback mechanism works as follows: When the blade is open, the hook slides into the notch on the blade tang and locks it.

When the exposed part of the rocker at the end of the handle is pressed, the hook is lifted out of the notch, releasing the lock so that the blade can be closed. When the knife is opened again, the rocker hook locks it automatically until it is released.

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