Profile: Paul H. Gesswein Co., Inc. specializes in offering air cleaners, injectors and microscopes. We also provide aluminum polishing tools, air grinders, anodes, gold testers, gravers, lamps, drills, dust collectors, gloves, lubricants, lights, micrometers, saw blades, scales, frames, screwdrivers, mixers & supplies and ovens & controllers. Our aluminum polishing tools include ultra-soft stones, which contain aluminum oxide bonded with an extra-soft bonding agent. It is used on soft metals, including aluminum, stainless steel, brass, beryllium and kirksite.