This tough injection-molded wheeled case is designed with rigid reinforced walls to give maximum protection for even the most sensitive equipment. Optional extendable handle and 2-inch wheels make maneuvering easy with heavy loads. User configurable-layered foam filling is also available. All cases include 3 metal spring-loaded handles and stainless steel twist-lock latches. The waterproof, dustproof o-ring seal protects valuable contents including instrumentation, sales presentation packages, test equipment, photographic equipment and other delicate items.