ADC® Neurological Hammer, 1 Each Bags Light and comfortable to assure MSHQ 1885 Light and comfortable to assure complete freedom of movement * Variable Speed * This version of our Jeanie Rub allows you to vary the speed of the massager from 1400 to 4600 rpm * Lower speeds deliver a more soothing massage while faster speeds are more invigorating * Features an easily adjustable switch placed conveniently near your finger tips * Provides deep penetrating action that safely relaxes tight muscles and stimulates circulation for all body types * Ideal for personal health fitness and sports massage * The accessory posts allow you to add precise trigger point and pressure point therapy to your massge * Item has a 1 yr warranty Used to test deep tendon reflexes as part of a neurological physical examination in order to detect abnormalities in the central or peripheral nervous system Not made with natural rubber latex