D Z Strad offers four different varieties of Pirastro rosin to match your specific playing needs. Listed from hard to soft, these include: Goldflex, Gold, Obligato/Violino, and Oliv/Evah Pirazzi.
Goldflex – Gold colors. A slightly harder rosin mixed with gold dust; for general use.
Gold – Orange color. Especially well suited for Gold gut strings.
Obligato/Violino – Forest honey colors. Mellow, rounded sound. Well suited for synthetic strings with low and medium tension.
Oliv/Evah Pirazzi – Dark olive color. Relatively soft, low dust forming, big sound, good grip with low noise. Well suited for gut strings and Evah Pirazzi strings.