Swiss Army knife edge. The blades are then checked with a laser reflecting goniometer to verify the angle of the cutting edges. Finally scales are applied. Slightly undersized holes incorporated into the inner surface enclose the bushings, which have truncated cone cross-section and are slightly undercut, forming a one-way interference fit when pressed into the generally softer and more elastic scale material. The result is a tight adhesive-free connection that nonetheless permits new identical-pattern scales to be quickly and easily applied. Victorinox models are available in , , , , , , and lengths when closed. The thickness of the knives varies depending
Victorinox Army Knives". Wenger was acquired by Victorinox in 2005. Knives actually made for the army (as opposed to the generic "Swiss Army" trademark) are known as "Soldatenmesser" ("soldier knives"). These were produced in five generations, known by the date of their introduction as models 1890, 1908, 1951, 1961 and "08" (with minor variants within each generation). Model 1890 was originally produced by Wester & Co, Solingen, and produced by Elsenser in competition with the Solingen manufacturer. Models 1908 and 1951 were also produced by several companies in Germany and Switzerland. Model 1961 was produced exclusively by Victorinox and Wenger, and