Swiss Army knife and features a Victorinox or Wenger "cross" logo or, for Swiss military issue knives, the coat of arms of Switzerland. Originating in Ibach, Switzerland, the Swiss Army knife was first produced in 1891 after the company, Karl Elsener, which later became Victorinox, won the contract to produce the Swiss Army's "Modell 1890" knife from the previous German manufacturer. In 1893, the Swiss cutlery company Paul Boéchat & Cie, which later became Wenger, received its first contract from the Swiss military to produce model 1890 knives; the two companies split the contract for provision of the knives from 1908 until Victorinox
Swiss Army knife on the number of tool layers included. The models offer the most variety in tool configurations in the Victorinox model line with as many as 15 layers. Wenger models are available in , , , , and lengths when closed. Thickness varies depending on the number of tool layers included. The models offer the most variety in tool configurations in the Wenger model line, with as many as 10 layers. Since the first issue as personal equipment in 1891 the "Soldatenmesser" (Soldier Knives) issued by the Swiss Armed Forces have been revised several times. There are five different main "Modelle"