Boston   machine heads for classic guitar, nylon shaft, 3x left+3x right, 70mm, nickel, pearloid buttons

Boston   machine heads for classic guitar, nylon shaft, 3x left+3x right, 70mm, gold, pearloid buttons

Boston   machine heads for classic guitar, nylon shaft, 3x left+3x right, 70mm, nickel, pearloid buttons

Boston   machine heads for classic guitar, nylon shaft, 3x left+3x right, 70mm, nickel, butterfly buttons

Boston   machine heads for classic guitar, nylon shaft, 3x left+3x right, 70mm, gold, butterfly buttons