JSI Special 4/4 Violin String Set: Gold Label Ball-End E & Dominant A, D, and G Strings - Medium Gauge Full Set includes All Ball-End Pirastro Gold Label Plain Steel E, Thomastik Dominant Aluminum Wound Perlon Core A, Thomastik Dominant Aluminum Wound Perlon Core D, Thomastik Dominant Silver Wound Perlon Core G 4/4 Violin Medium Gauge