Boston   A-2 string for violin 1/8, chrome steel

Boston   D-2 string for viola 14", chrome steel

Boston   G-3 string for viola 14", chrome steel

Boston   D-2 string for viola 13", chrome steel

Boston   G-3 string for viola 13", chrome steel

Boston   D-2 string for cello 1/4, chrome steel

Boston   A-3 string for double bass 3/4, aluminum

Boston   E-4 string for double bass 3/4, aluminum

Boston   A-3 string for double bass 3/4, nylon

Boston   A-3 string for double bass 3/4, nylon wound

Boston   cordier pour violoncelle 4/4, en métal paint en noir avec 4 accordeurs

Boston   cordier pour violoncelle 3/4, en métal paint en noir avec 4 accordeurs

Boston   cordier pour violoncelle 1/4-1/8, en métal paint en noir avec 4 accordeurs

Boston   solid rubber double bass wheel, double ball bearing, with two mounting rods: 10 and 12,5mm diameter

Boston   violin preamp pickup system, volume+tone control, battery included

Boston   USB digital video borescope, 5 megapixels, with LED illumination with photo function