Deburring and rust removal - grit 36/60/80/120/180 polishing 50mm quick-change grinding wheels for surface preparation <ul class="a-un0rdered-list a-vertical a-spacing-mini"> <li class="a-spacing-mini">Material: The grinding wheel set is made of high-quality aluminum oxide, and the surface has a heat-resistant and non-stick coating to improve the grinding performance and service life. <br />【Stable Design】Fixed connection design, unique safety torque spiral, the connection between the grinding wheel and the holder is fixed during rotation, ensuring smooth work and will not fall off, quick-change design with roller lock, which can be removed by simply rotating or disconnecting the connection. <br />【High Compatibility】The quick-change disc is equipped with a quick-change disc holder with a 1/4 inch handle, suitable for various surface treatment and pretreatment, degreasing, rust removal, removing adhesives or adhesives, self-sharpening, grinding, cleaning, grinding, demolding, deburring, polishing, refining, etc. <br />Wide Use: Our quick-change disc quick-change chuck is very suitable for surface treatment, finishing, deburring and polishing of wood, plastic, pipes, carbon steel, cast iron, titanium, aluminum, brass, bronze, copper or hardwood, as well as heat-sensitive materials. </li> </ul>