C.A. Seydel Söhne Soundcheck Vol. 03 - SETUP PACK - all you need for reed adjustment - tutorial on the 2 GB USB-stick provided, SETUP TOOL with five essential functions: reedslot-sizer, reedwrench (fits for instruments of all German makers), reed-support, reedlifter, scraper, for all individual harmonica reed adjustments, very detailed step-by-step tutorial (page-flip booklet-software and pdf) and videos provided on the 2GB USB stick: tuning a harmonica, setting up reed offsets, setting up the reed curve, centering reeds, sizing of the reed slot.