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
Skeleton knife private manufacturers, and is now widely manufactured by companies like Victorinox. The less commonly known type of skeleton knife is a penknife that was made without bolsters or handle material and sold to jewelers or other artisans for final finishing. These types of knives were mostly made in the 19th century and as late as 1950. Wostenholm of Sheffield, England made many of these knives as did Imperial Knife Co. in the United States. Jewelers would finish the knives' handles in semi precious stones and in some cases gold or other precious metals in their own style. Skeleton knife A