A guitarists best friend offering a range of metric and imperial hex keys in multiple sizes, 2 Phillips head screwdrivers and one 2.5mm slotted screwdriver. Includes 5/16 nut driver for Gibson truss rods. All wrenches are pro-grade, heattreated S2 steel with polished chrome finish and ball ends for easier insertion. Theres also a ruler to check neck relief and string action. Packed in a one-piece body that allows easy rotation and storage of components.