Kolstein

Kolstein's "Adjustable Harmonic" seasoned ebony tailpiece is top-quality, and offers adjustable intonation control for each individual string's afterlength. Beautifully crafted, with a subtle but...

Kolstein's exacting research and development has brought us their Ultra Formulation Supreme rosin. Well-known for its low powdering and smooth, easy bowing. Now all Kolstein Ultra Rosin is encased in...