Cas-Ker Company, started in 1927 as the American and Swiss Watch and Supply Company, is an importer and distributor of jewelry and watch making tools and supplies. The company stocks a wide range of adhesives, burs, drills, files, scales, screwdrivers and tweezers. Its cleaning and polishing product line include Ultrasonic Cleaning Machine, Ionic Cleaner Speed Brite, Steam Cleaner Reimers Cyclone, dust collector handlers, abrasive brushes, polishing stick and strips, polish, and sanding discs. The firm also provides watch display dome with brass base, Bergeon watchmakers screwdrivers, antitarnish watch paper squares, asbestos-free gloves, bead stringing kits, dust removers, jewelry mold release sprays, and floating arm bench lamps. Cas-Ker Company is headquartered in Cincinnati.