This document discusses hand tools that plumbers commonly use. It identifies over 30 specific tools, including levels, tape measures, screwdrivers, pliers, wrenches, hammers, saws, chisels, and specialty tools for tasks like cutting and bending copper piping. It emphasizes that hand tools are manually operated, less expensive than power tools, and still important for completing plumbing jobs. Personal protective equipment is recommended when using all tools.