【Size】Thread diameter: 1/4"; Thread Length: 1/2"; Star knob diameter: 25mm/0.98"; Star knob overall thickness: 11mm/0.43".
【High Quality Material】Star shaped knob thread is made of carbon steel, which is wear-resistant, rust resistant, and corrosion-resistant; The knob is made of plastic, with a smooth and crack free surface, lightweight and durable.
【Easy to install】Star shaped clamping knob provides good tightening control to screw effectively and safely without scratching hands.
【Wide Application】Threaded knob is suitable for various applications, including machine, mechanical instrument, furniture modification, umbrella base replacement and other industry applications.
【Ample Quantity】you will receive 15 pieces threaded knurled thumbscrews, which can be installed in any place you need, and meet your daily use and replacement.