This document discusses various tools used for PC hardware servicing. It describes electro-static discharge tools like anti-static wrist straps and mats used to prevent electrostatic damage. It also outlines different types of common hand tools used for hardware maintenance like screwdrivers, pliers, and part retrievers. Additionally, it mentions cleaning tools such as compressed air and lint-free cloths for cleaning components safely. Finally, it briefly discusses diagnostic tools including multimeters and loopback adapters used for testing computer circuits and ports.