Harbor Freight Tools makes the Pittsburgh Tools product. As of 2015, Harbor Freights manufactures and sells work tools online, by catalog and at over 500 retail locations nationwide. The Pittsburgh Pro product line includes hammers, pliers, wrenches, screwdrivers, calipers and impact sockets.
Harbor Freight Tools started as a small family-owned business in 1977. As of 2015, it offers more than 7,000 tools and accessories including hand tools, air and power tools, generators, shop equipment and automotive tools. Harbor Freight tests its tools extensively in state-of-the-art laboratories with tests that exceed normal use, and they offer a 100 percent satisfaction guarantee with a no-hassle return policy.