Before you attempt any adjustments or cleaning for a bass guitar, you need to assemble the right tools. Knowing what to include in a bass guitar cleaning and repair kit will ensure that you are prepared for any necessity. Pack the following tools in a tool bag that you keep with your bass.
Truss-rod wrench (this is usually the Allen wrench that comes with your bass)
Screwdriver or Allen wrench for every screw on the bass
A multi-screwdriver tool is okay, but you can get more leverage with separate screwdrivers. Make sure that you have a screwdriver or Allen wrench that fits the screws for the saddle.
Rubbing alcohol (make sure it’s in a bottle that won’t leak)
Cotton rags for cleaning (make sure to replace them once in a while)
Super-fine steel wool
Colorless nail polish (or a color that matches your bass)
Electronic tuner (this needs to be part of your tool set if you adjust the intonation yourself)
Wire cutters for changing your strings
Jewelry polish cloth for polishing the frets
Be sure to keep your bass tools separate from your household tools so that they won’t get lost or damaged.