Victorinox a.3643 mini screwdriver, which nestles like boltless shelving in the corkscrew of the Swiss knives or house Victorinox. This screwdriver is perfect for the small screws of most glasses. Victorinox a.3643 Mini Screwdriver that comes an exact fit in the corkscrew or pocket knives Victorinox Swiss Army Knives. This screwdriver is ideally suited to the small screws for most of your glasses. Mini tournevis VIC.