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
Swiss Army knife Wenger and Victorinox models feature a locking blade secured by a slide lock that is operated with an unlocking-button integrated in the scales. Some Victorinox 111 mm series knives feature a double liner lock that secures the cutting blade and large slotted screwdriver/cap opener/wire stripper combination tool designed towards prying. Rivets and flanged bushings made from brass hold all machined steel parts and other tools, separators and the scales together. The rivets are made by cutting and pointing appropriately sized bars of solid brass. The separators between the tools have been made from aluminium alloy since 1951. This makes the