The Victorinox Safari Pathfinder Swiss Army knife is a large knife that might be considered a precursor to the modern locking blade models.

The Safari Pathfinder knife is retired, and is considered a collector's item.

NOTE-- Sometimes this model is simply called the Pathfinder.

Rucksack-- locking large blade, adds can opener, corkscrew and awl
Safari Trooper-- adds corkscrew and awl
Solo-- no wood saw