Rigid shaft couplings and shaft adapters from Stafford Manufacturing Corp. are designed to join shafts of different sizes and configurations, extend shafts and provide mating options. Made from steel, stainless steel, aluminum and brass, the couplings and adapters are available in a variety of configurations. Suitable for use with pumps, mixers, conveyors and related equipment, the shaft couplings are available in one-, two- and three-piece designs, with or without keyways. The shaft adapters are available in step-up and step-down configurations, with or without keyways. 800/695-5551; www.staffordmfg.com.