The Victorinox Explorer Swiss Army knife is a great knife for travelling. It's a moderately large knife that includes a magnifying glass, and a wide variety of other useful tools. Starting in 2008, the Explorer comes with a clear magnifier that has a slightly larger lens.

The Explorer is second-most popular of the larger Victorinox knives in the "four layer" size range (the most popular model in that size range is the Huntsman). It is available in red or black.

Explorer 1980's-- no hook, scissors with screw, grooved corkscrew
Explorer 1991-- scissors with screw, grooved corkscrew
Explorer 1992-- scissors with screw
Explorer 2007-- gray magnifier
Explorer Original-- no hook, no sewing eye on awl, scissors with screw, grooved corkscrew
Explorer Original Left Hand-- same as Explorer Original but magnifier in different position

Explorer BSA-- adds mini screwdriver and Boy Scout logo
Explorer Plus-- adds pen, straight pin and mini screwdriver
Huntsman-- wood saw instead of magnifier and phillips screwdriver
Outdoorsman-- adds wood saw and fish scaler, no hook (retired)
Passenger-- no scissors or hook (retired)
SwissChamp-- adds pliers, wood saw, metal saw and other tools
Voyager-- no magifier or phillips screwdriver, adds clock, pen, straight pin and mini driver