Measure the casing of your Swiss Army Knife lengthwise in millimeters, as length is a crucial differentiator between similar models of multitool. For example, the SwissBuck series made by Wenger ...

There's nothing quite like a classic Swiss Army Knife. The classic multitool, known in German as "offiziersmesser," or "officer's knife," has been in production since the early 1890s.