Laser cutting sheet steel 2.5 mm thick - ribbed for resistance - Powder Coated Black - complete with a layer of foam sagomanto - ready to be coated. Width 300 mm (11.8 inches) - 320 mm (20.47 inches) between the front and rear in a straight line. See the image for the measures. Is provided with slotted holes to allow a wide range of mounting positions of the springs and includes stainless steel screws as in the photo.