The Wittner Augsburg Chin Rest for viola is an anti-allergenic chin rest that is height and tilt adjustable. It is centrally mounted, anatomically designed and very easy to secure to your instrument using a screw driver. If you are experiencing discomfort with your current chin rest, then this is a great alternative, offering plenty of flexibility. The Augsberg viola chin rest will suit violas 15” and up. *Mini screw driver is included*