Excellent material: The M6 clamping knob nut is made of high quality plastic and copper, which is strong and durable, not easy to deform and can be used for a long time Comfortable design :The M6 knurled thread clamp knob has a star-shaped design, the surface is smooth and does not hurt the hand, and the grip is comfortable Easy to install:The nut M6 star stud bolt is designed with female thread, no need to use tools, easy to tighten by hand, not easy to fall off Package included:You will get 10 pieces M6 stud bolts of thread, enough to meet your different installation needs Wide Usage: This M6 star head clamp knob can be used in most machine tools, widely used in mechanical equipment, instruments and industrial equipment, and can also be used as a handle for furniture in the style unique Color: Black Size: M6*25mm Quantity delivered: 10 pieces