- Kolstein Rosin Bass is a rich dark textured bass rosin backed by extensive research and experimentation
- Kolstein Rosin All Weather line works well in Hong Kong
- Bass Rosin is acclaimed by international soloist and orchestral and recording artists
- Rosin wrapped in a roll-down silicon container designed for easy storage and application
- Kolstein Bass Rosin is formulated to not dry out or crystallize, that gives the rosin incredible shelf-life
- Kolstein Bass Rosin produces low poweder comparing to Pops Bass Rosin