Boston   back plate, string spacing 11,2mm, 4 ply, standard Stallion, 86x138mm, tortoise

Boston   back plate, string spacing 11,2mm, 4 ply, standard Stallion, 86x138mm, tortoise intense

Boston   back plate, string spacing 11,2mm, 4 ply, standard Stallion, 86x138mm, black

Boston   back plate, string spacing 11,2mm, 4 ply, standard Stallion, 86x138mm, pearl white

Boston   back plate, string spacing 11,2mm, 4 ply, standard Stallion, 86x138mm, pearl white webbing

Boston   back plate, string spacing 11,2mm, 4 ply, standard Stallion, 86x138mm, pearl black