Heavy Duty L angle patti 50 mm x 50 mm thick 7 ft height 8 to 9 Kg weight, 10 Guage coated wire, Upper- heavy duty L patti 40 mm x 40 mm 5 mm thick 5 ft long welding with main patti at top, Stay or Bracing 5 ft long with 16 mm thick rod, Colouring with red oxide