IS-1 rack castors packed, ground clearance: 40 mm, load capacity: 7,500 N per rack, material/surface: galvanized steel/PA, for mobile use of the IS-1 rack. Subsequent assembly possible. Adjustable feet remain intact., Note: Cannot be used with base, Cannot be used with base plate, consisting of:, 4 rack castors, 4 castor holders, assembly material, delivery condition: packed