You will receive 15 pieces M6 x 40 mm knurled screw star screw, head diameter 31 mm
Made of plastic, good toughness 304 stainless steel, rust resistance, easy to install and remove, requires no tools
Star shaped clamp knob provides excellent tightening control to screw effectively and securely without scratching hands
Smooth surface without burrs, the screws are clean and clear, the force is even, and it is not easy to slip, strong and reliable, it can be used for a long time
Suitable for various applications including machine, mechanical instrument, furniture modification, umbrella foot replacement and other industrial applications