Excellent material: The M6 tightening 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 tightening 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 knob nut is designed with female thread, no need to use tools, easy to tighten by hand, not easy to fall Package included: You will get 10 pieces M6 star knob nuts thread, enough to meet your different installation needs Wide use: This M6 star head tightening 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 uniquely styled furniture Color: Black Size: M6*25mm Quantity delivered: 10 pieces