Innovative Components metal knobs are CNC machined from solid bar stock. Metal knobs are available in steel, aluminum, stainless steel and brass. All metal ball knobs as well as metal knurled knobs are hand polished to perfection. These sleak and versatile knobs are an excellent choice for both decorative and industrial use. Metal knobs come equipped with a tapped hole in either a coarse or fine threads. Can't find the metal knob you are looking for? Contact sales to design your very own custom metal knob today! 800-566-2774