Current EET owners: You will need a 5mm driver bit for Step 8, your kit DOES NOT INCLUDE THIS BIT. While I no longer recommend it for new purchases, I have found an economical workaround to get the missing bit.

Author's note: Due to add-on cost issues with the EET requiring a 5mm nut driver ($7.13+) or 5mm driver ($14.05+), the EET is no longer recommended. If you are starting fresh and purchasing a new toolkit (and not starting with an existing kit like the EET), purchase the Pro Tech Go (or a refurbished full-sized Pro Tech). If your budget is tight and you want tons of bits, Harbor Freight has a good overall toolkit available I have personally tested.