About this item

Widely Application: Threaded knob is suitable for various applications, including machine, mechanical instrument, furniture modification, umbrella base replacement and other industry applications Easy Installation: Hex shaped nut makes heavy-duty clamping jobs comfortable and convenient for easy and quick installation Material: Tightening screw knob is made of iron and plastic, enhancing long-lasting, anti-rust and light use Good Design: Star shaped clamping knob provides excellent tightening control to screw effectively and safely without scratching hands Applicable Size: 1/4''-20 thread size; 1" length; knob size about 0.97"