The GrooveTech Bass Player Tech Kit has topnotch tools that are lifetime guaranteed, and stored in a handy pouch that fits in most gig bags. This tool kit features a hex key set that is matched to virtually all bass makes. The Easy Setup Guide included will make you comfortable with truss rod, action, pickup, and intonation adjustment. After a few setups, you'll immediately know when a minor tweak is called for. Five Allen (hex key) wrenches are color-coded gold for metric and six wrenches are black for inch sizes. Each has a long shaft for easy access. All four truss rod size Allen wrenches have a ball end. The kit includes a thickness gauge, ruler, cutters, reversible bit screwdriver, and LED flashlight. Tools are lifetime guaranteed and pro-grade.