1690 Protector Transport CaseInterior: 765 638 390 mm Exterior: 849 721 448 mm 4 strong polyurethane wheels with stainless steel bearings Large 2 person fold down handles Watertight, crushproof, and dustproof Open cell core with solid wall design strong, light weight Retractable extension trolley handle Easy open double throw latches Stainless steel padlock protectors Automatic pressure equalization valve balances interior pressure, keeps water out O ring seal Sensitive equipment