Available in 1.00 mm 19G Heavy and 0.08 mm 21G light thickness made out of C.R Coil.
  Stronger than the old conventional slat 18G=19G Great; 19G=21G Great
  When rolled the diameter of the shutter does not exceed 125 mm
  Spring requirement totally minimized.
  Requires 2% less steel than the old model
  More convenience , more strngth & more saving
  Fix great Conventional Shutter slat to feel great
  Finish industrial primer paint grey color.