Tools is a Crafting Workbench item that can be used in making Sawhorse and Furnishings. A set of Tools is an objective item that may be required in some Goals. Being hired to work on a Neighbor's Homestead gives the Pioneer the option to share some Tools. Also tending neighbors wilted crops will generally give you the option to share some tools also. Clicking on a posting in the News Feed also gives the possibility of obtaining a set of Tools, but is not always guaranteed. It is possible to get the Tools from a Mystery Gift.