Fender Custom Shop Acoustic & Electric Guitar & Bass Tool Kit by CruzTools This kit contains all the basics for most minor adjustments, including a 4-in-1 screwdriver, hex wrenches, ruler, diagonal cutter, capo, feeler gauges and guitar string winder. These are the same high-quality setup tools used by the pros, and everything is stored in a convenient polyester storage pouch that fits easily in your case or gig bag. Hand tools come with limited lifetime warranty.