D'ADDARIO'S PREMIER ENTRY LEVEL CLASSICAL STRING SET, KNOWN FOR ITS OPTIMAL BALANCE OF WARMTH AND PROJECTION. HARD TENSION, CLEAR NYLON, NON-BALL END. HARD TENSION, CLEAR NYLON, NON-BALL END. A GREAT BALANCE OF VALUE AND RELIABILITY. ENVIRONMENTALLY FRIENDLY, CORROSION RESISTANT PACKAGING FOR STRINGS THAT ARE ALWAYS FRESH. MADE IN THE U.S.A. FOR THE HIGHEST QUALITY AND PERFORMANCE.