Catnic External Standard Duty Solid Wall Steel Lintel - CN50C Benefits: Duplex corrosion protection: Ensures optimum durability and longevity Product Applications: For 200mm and 215mm Exterior Solid Walls Standard Lengths (mm) 900-1800 SWL (kN) 10 Weight (kg/m) 9.0 Nominal height\'h\' (mm) 91 Note: Standard length are available from 900-2700 in 300 mm increments. The SWL (safe working load) is based on the total UDL (uniform distributed load) over maximum span using 150mm end bearings.