Boston   top nut, metal, roller nut, chrome

Boston   top nut, metal, roller nut, gold

Boston   top nut, metal, roller nut, black

Boston   toplock, top nut with string lock, Floyd Rose style, length: 4,26 cm, chrome

Boston   toplock, top nut with string lock, Floyd Rose style, length: 4,26 cm, black

Boston   toplock, top nut with string lock, Floyd Rose style, length: 4,26 cm, gold