VEVOR Semi-Truck Step Tool Box, 30" x 29.5" x 15.8" Heavy Duty Aluminum Diamond Plate Toolbox, Waterproof Cab Entry Step Storage Box with T-Handle Lock & Keys for Flatbed, Crane, and Semi TrucksTough EnoughHeavy Duty AluminumSpacious Storage InteriorSecure your BelongingsHigh Loading CapacityAnti-Slip Design for Safer StepsStep Plate Loading Capacity: Max 441 lbs (200 kg) ,Security Lock: T-Handle Lock with Key,Storage Interior Dimensions: 27.17 x 18.7 x 8.66 in / 690 x 475 x 220 mm,Item Model Number: 30-30-15,Product Dimensions: 30 x 29.5 x 15.8 inch / 760 x 750 x 400 mm,Net Weight: 42.77 lbs / 19.4 kg,Main Material: Aluminum Alloy