GrooveTech® Bass Player Tech Kit. Everything you need to take care of your bass, taking the guesswork out of setting your action, adjusting your truss rod, intonating your instrument and more. 8 colour coded hex wrenches (metric and imperial), thickness gauge, ruler, capo, string cutters and 6-in-1 screwdriver with two Phillips bits, two slotted bits and two nut drivers. Complete with easy set-up guide and carry pouch.