Product characteristics. All stainless steel construction with anti-corrosion case for maximum instrument life. two tempered glass doors for easy observation of the test condition. Specimen holder can be moved up and down, left and right to ensure that the flame burning point is in the centre of the sample or at a defined distance. the burner is mounted on a sliding rail for freedom of movement Equipped with two types of sample holder and sample template made of stainless steel and moulded for impact angle of ignition source: vertical, 45°. http://burningtester.com/news/580.html