Pirastro Oliv/Evah Rosin is a quality rosin specifically formulated to compliment Oliv and Evah Pirazzi strings. This rosin provides a good grip and an excellent tone. Pirastro has been developing and producing rosins in Offenbach, Germany for over 200 years. Pirastro Oliv/Evah Rosin is well suited for violin, viola and cello.