The GrooveTech Stagehand Guitar/Bass Tech Kit is the perfect setup to take on the road, collecting all the essentials in a super compact pouch that you can easily tuck into your gig bag. The kits central feature is a 19-piece magnetic bit set and screwdriver-style bit holder, with both inch and metric hex wrenches, screwdrivers, and sockets to handle virtually any make and model of guitar or bass. For checking neck relief, weve included a 15-blade thickness gauge, and for string action, a precision ruler. String cutters and a stringwinder make changing your strings a breeze. Keep the Groovetech Stagehand Tech Kit in your gig bag, and stay prepared on the road. GrooveTech Tools offer a lifetime of quality instrument care for players of all levels. Theyre built to last in the workshop and on the road, and theyre easy to use so that anyone can start working toward a better playing experience. Every tool. Every need. Every player.