Drive Socket Sets by CRAFTSMAN. Details:Ideal for your existing arsenal of tools, or as a great starter set, this Mechanics Tool Set is a collection of 1/4-in. and 3/8-in. drive mechanics tools packed into the CRAFTSMAN Portable Toolbox with 20.5 in. ball-bearing drawers. This set features improved low profile 72-Tooth 1/4-in. and 3/8-in. drive ratchets that have up to a 25% thinner head* to allow greater access to confined spaces. Take on your next project with this Full-Polish Chrome Mechanics Tool Set.