The HIDRAUACADEMY piano stool series are ideal for music schools and conservatories for their resistance and durability under intensive use. They are characterized in having an automatic and easy-to-regulate mechanism and a very sturdy, solid metal structure. They are designed and manufactured so as not to emit any bothersome noises that could affect concentration and proper training at the piano. These piano stools are available in a wide variety of models, differentiated by the size of their seats, and of course some models are ergonomic. There are also different upholstery options to choose from.