Almost all are the larger 91mm size. There are a few 84mm and 74mm models.
Most just need a little cleaning! The item "Lot Of 80 Victorinox Swiss Army Knives" is in sale since Wednesday, May 15, 2019. This item is in the category "Collectibles\Knives, Swords & Blades\Collectible Folding Knives\Modern Folding Knives\Factory Manufactured".
The seller is "scoutfinnmemphis" and is located in Greenville, South Carolina. This item can be shipped worldwide.