CruzTools Stagehand Compact Tech Kit Guitar Tools (GTSH1) 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 A capo and 15-blade thickness gauge with integrated ruler permit neck measurement, which is essential to proper truss rod adjustment Also included are downsized string cutters and a string winder Everything fits into an uber-compact pouch that is ready to hit the road