Material: This clamping knob is made of high-quality plastic and iron, with good toughness and impact resistance, strong and durable.
Wide Application: These star screws are widely used in related industries such as mechanical equipment, electronic equipment, communication equipment, hardware lighting, building bridges and so on. It can also be installed at the bottom of furniture to enhance stability and prevent scratches and noise.
Head diameter: 50mm / 1.97inch, thread diameter: 10mm / 0.39inch, thread length: 120mm / 4.72inch. Please measure the size you need before purchasing to ensure compatibility.
Easy to Use: Just align the manually tightened clamping knob with the hole of the corresponding thread diameter and screw it on, no other tools are needed to tighten it.
The groove design of the knob head is ergonomic, making it easier to tighten by hand.