Samuel Kolstein & Sons “HARD” DOUBLE BASS Rosin Made in USA

Samuel Kolstein & Sons “HARD” DOUBLE BASS Rosin Made in USA

Extensive research in the Holstein workshop USA has created a bass rosin which is produced through exact product control, entailing, exact measurement of the finest ingredients in strict accord with the developed formula pouring into alloy line wooden moulds to insure uniform hardening and avoid thermal cracking. A required minimum curing period for predetermined time.

With over forty years of dedicated research and development for the professional players’ needs, Kolstein’s Supreme Rosin has answered the urgencies of the most critical musician who strives for a rich, tonal quality, to complement their bow and instrument. The musician can expect even adherence, extremely low powdering and a smooth, easy bowing playing experience only through the use of Kolstein’s special formula.