Salzman Symphony Rosin

Formulated with varying degrees of softness and tack, Salzman Symphony Double bass rosins range from numbers. 7 through 10--softness increases as the numbers go up. Orchestra players might prefer 9 or 10 , while 7 and  8  works well for solo playing.  Rosin number 10 is the softest & stickiest rosin, thus ideal for pieces that requires a louder bass projection