Contains 53 individual hand tools 31 Series 99 interchangeable screwdriver/nutdriver blades and handles 2 specialized screwdriver/nutdriver kits 3-panel hinged tool pallet in lid plus additional pallet in bottom Extra large roller bearing wheels (3.62"), wide base, maximum stability Two tote handles for convenience. Both are spring loaded for protection. D ring provided for Bunji cords to carry other cases on top Size: 18" x 15" x 8" deep