Seydel SH901000 Harmonica Tool SetFoldable magnifying glass 8x: Check all changes you have applied to the reeds and avoid fatal mistakes when setting up your beloved instruments. This practical tool is easy to use and offers 8x magnification (glass lens and metal frame, case included). Screwdriver 8 in 1 Multi Tool: This extremely compact and practical screwdriver offers the right bit for every screw that can be found on any type of harmonica from all manufacturers (4x different bits