Check the listing for details. Thomastik Versum Solo A & D Combo Pack. Condition: New. Listed at 115.99 USD. Thomastik Versum Solo A & D Combo Pack Authorized dealer over 40 years USA. "Gary Ritter Strings Shop" - South Lyon, Mich. Shipping outside lower 48 states USA and HI. - AK. will be calculated. The VERSUM SOLO edition offers unprecedented possibilities of combining color, sound and texture. These strings were designed for profound power, ideal response and optimal projection - and they deliver! With effortless virtuosity they are poised to enhance the performances of even the most discerning players and cut through any acoustical situation. VERSUM SOLO A+D Powerful body Soloistic brilliance Maximum resilience The combination has been developed to complement VERSUM as well as SPIROCORE strings. INSTRUMENTS THEY WANT TO PLAY WITH VERSUM SOLO A + D strings offer more presence for both bright and dark instruments.