The Swiss Army knife is a multi-tool pocketknife.
The term "Swiss Army knife" was coined by American soldiers after World War II.
Swiss Army knife was first produced in 1891.
The term "Swiss Army knife" has acquired usage as a figure of speech indicating extreme utility applicable to more or less any scenario at hand.
Rivets and flanged bushings made from brass hold all machined steel parts and other tools.
The separators between the tools have been made from aluminium alloy since 1951.
The martensitic stainless steel alloy used for the cutting blades is optimized for high toughness and corrosion resistance.
The steel used for the wood saws, scissors and nail files has a steel hardness of HRC 53, the screwdrivers, tin openers, awls and some other tools have a less hardness.
Although red Cellulose Acetate Butyrate (CAB) scaled Swiss Army Knives are most common.
There are many colors and alternative materials like more resilient nylon and aluminum for the scales available.
Many textures, colors and shapes now appear in the Swiss Army Knife.
The scales on some knife models can have textured rubber non-slip inlays incorporated, intended for sufficient grip with moist or wet hands.