1700 Protector Long CaseInterior: 908 343 133 mm Exterior: 968 406 155 mm Strong polyurethane wheels with stainless steel bearings Watertight, crushproof, and dustproof Open cell core with solid wall design strong, light weight Fold down side handle Easy open double throw latches Stainless steel hardware and padlock protectors Automatic pressure equalization valve balances interior pressure, keeps water out O ring seal Sensitive equipment needs protection, and since 1976 the