Violin carbon bow "Viennabow" Violin unidirectional carbon bow "UNI N" nickel Item No. UNI N Violin unidirectional carbon bow… "Uni N" Violin bow made of unidirectinal carbon - nickel fittings, ebony frog with Parisian eye, three part buttonwith abalone inlays, stamped "Uni N" × Violin unidirectional carbon bow "UNI N" nickel