Knobs moulded from ABS with a matt black finish, hexagonal grub screw fixing. Available in diameters of 11.6, 16.2, 21 or 28mm, with red, black or grey caps., Rozmiar osi = 6.35mm, Średnica pokrętła = 28mm, Wysokość pokrętła = 17mm, Kolor obudowy = Czarny