Victorinox Swiss Army Mini Screwdriver Replacement (Survival Kit Accessory Fits in the Corkscrew of all Victorinox Knives) VNA.3643 (Old Sku 30411)

This mini screwdriver is handy for eyeglasses tightening or repair. Essentially it is a jewelers screwdriver that you can carry in your SAK. If your SAK has a corkscrew to hold it then add it if your knife did not come with one.