Reliability and stability distinguish all of these classical percussion hammers for the exact testing of reflexes. From the simplest model to the top quality buck hammer, Made in Germany. All hammers are supplied in a poly-bag. Riester has been designing and manufacturing high quality diagonostic instruments in Germany for medical professionals for over 50 years. They make some of the finest hi-end medical instruments and devices found anywhere and the quality is second-to-none. If you are a doctor or nurse who demands the highest quality for your practice and patients, look no further than Riester.