The Tromner reflex hammer is shaped like a two-headed mallet. The larger mallet is used to elicit tendon stretch reflexes, and the smaller mallet is used to elicit percussion myotonia. 3 in 1 percussion hammer designed to elicit myotatic and cutaneous responses in adults and children designed by Ernst Trömner. This model is shaped like a two-headed mallet. The larger mallet is used to elicit tendon stretch It's balance and weight make up for a perfect swing to elicit osteotendinous reflexes. It is not too heavy and it fits in my coat, so can carry it when moving around the hospital. Also, you find it very practical to elicit plantar reflex Rubber Colour : Black Fine More Hammers Here
