Mclntosh Laryngoscope Set, Consists Of Battery Handle ( Without Battery ) With Three Mclntosh Blades, Fig. 1, Fig. 2, Fig. 3 Fig. 0 Working Length, 55mm ( Babys ) Fig. 1 Working Length, 75mm ( Childrens ) Fig. 2 Working Length, 90mm ( Adolescents ) Fig. 3 Working Length, 110mm ( Womens ) Fig. 4 Working Length, 135mm ( Mens )