Standard Chrome plated brass. Med/Standard. A reliable, high quality standard laryngoscope handle that is compatible with all standard/conventional blades manufactured to ISO 7673 standards. The designs of these handles have been continually refined through many years of use the world over to minimize maintenance requirements. They are manufactured to exacting specifications from the finest materials to be durable and reliable. Rusch Laryngoscopes are warranted to be of good quality and free from defects in material and workmanship. Latex free. 2X "C" battery size (not included).