Korpa 
Classic Line for Double Bass medium
Our bow resin (rosin) is manufactured in different compositions and qualities to suit the artist and to fulfill the various conditions of the climate. We offer special round framed Rosin for Cello in three different type based on larch resin. Bow resin is made for the proper connection between hairs of the bow and string surface, and this firm grip is increased by special mixtures and technical treatments.
