Snap-on Industrial Brands offers four tool storage series, Professional, Heavy-Industrial, and Commercial. When only the best will do, Williams Professional Series tool boxes are the ones to choose. Williams Heavy-Duty Series tool storage is the ideal choice for heavy industry. Williams Commercial Series tool boxes offer the typical maintenance shop storage solutions that feature great performance and rugged good looks. Williams Industrial Storage program is designed, engineered and build specifically for industrial settings, processes, and systems. Heavy-duty steel construction, innovative safety and security features, and workplace-specific configurations provide for customizable, scalable storage that meets even the most complex needs.