A Premium-Quality Shoulder Rest at a Bargain Price! The new Empire Shoulder Rest is comfortable and supportive, with a traditional rigid base, topped with over 1/4 inch of high-grade foam. Easily adjustable, with rubberized non-marring feet - and it stays adjusted due to the indexed positioning system. Best of all, it stays on the instrument! This model fits 3/4 and 1/2 size violins and most 12 to 13 inch violas. Other sizes are also available.Empire