Miller Laryngoscope Set, Consists Of Battery Handle ( Without Battery ) With Four Miller Laryngoscope Blades Fig. 0 Working Length, 55mm ( Babys ) Fig. 1 Working Length, 80mm ( Childrens ) Fig. 2 Working Length, 130mm ( Adolescents ) Fig. 3 Working Length, 170mm ( Womens ) Fig. 4 Working Length, 180mm ( Mens )