Econo Taylor Percussion Hammer, Sklar, 7 in., Blunt, Straight, Smooth, Small, Rubber / Chrome Plated Stainless Steel. The Econo Taylor Percussion Hammer, also known as a tomahawk reflex hammer due to the shape of it's head, is a diagnostic instrument used to stimulate reflexes and detect central nervous system abnormalities. It consists of a triangular, solid, non-latex head and a solid, flat, metal handle. It is available in two sizes. The Taylor Percussion Hammer is the most well known percussion hammer in the United States. It is also significantly lighter than many of the other hammers specifically designed for reflex testing. Econo instruments are Sklar's floor-grade, disposable instruments and are sold in bulk quantities. This product is a small hammer with an overall length of 7 inches. It is sold in boxes of 12.