This kit has everything you need to keep your bass in top playing shape, whether you're doing a quick string change or a complete setup: a Gig Light, Micro Fret Cloth, Fret Collars, String Cutters, Screwdriver, Formula 65™ Cleaner-Polish, Superlube® Gel Pen, String Action Gauge, Microfiber Polish Cloth, Multi-Tool, and Stringwinder.