Snap-on Industrial Brands offers four tool storage series, Professional, Heavy-Industrial, Commercial and Super-Value. 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 Super-Value Series cabinets and top chests represent an outstanding set of features at an attractive price.