Premium MaterialThe screw knob is made of high quality bakelite and copper with smooth edges, rust and corrosion resistant, sturdy and durable. Design comfortable The star-shaped buttons have a comfortable grip, ergonomic design and anti-slip effect without scratching your hands, easy to use in daily life. Easy to use The large buttons Bakelite star screw for comfortable grip, fully threaded screw design and beautiful appearance for easy installation, disassembly and adjustment. Wide ApplicationsThe nut knobs M8 female thread lugs are widely used in mechanical equipment, furniture decoration, machine tools, industrial equipment, electronic equipment, etc. Package Includes You will receive a total of 14 M8 size star button nuts. A great accessory to replace your old or broken knob handles.