Manufactured with a long handle making it comfortable to hold and easy to operate. The long handle is precisely balanced for increased control of percussion force. Ideal addition to a kit for nurses, medical students, doctors, EMTs, paramedics, CNAs and more. Reflex hammers are used to test reflexes like the knee jerk, biceps reflex, and ankle reflex. Extensively used by students and training centers to test joint reflexes or bone fractures in the joints.