Wolf Forte Primo Violin Shoulder Rest Violin 4/4-3/4 Size Forte Primo Violin Shoulder Rest Violin 4/4-3/4 Size Adjustable in height from 1-1/4" to a full 3-1/4", Willy Wolf shoulder rests have long been favorites of professional violinists and violists Height and pitch adjustable using swiveling legs The bar is metal with a foam rubber strip and can be bent to conform to the individual player Fits 4/4 and 3/4 violins