<h3>Product Features</h3><br/><ul><br/> <li>General-purpose wheel for grinding, polishing, sanding and finishing</li><br/> <li>Load resistant design</li><br/> <li>Cotton cloth backing</li><br/></ul><br/><h4>Technical Data</h4><br/><ul><br/> <li>Abrasive Material: Aluminium Oxide</li><br/> <li>Abrasive Connection: Synthetic Resin</li><br/> <li>Impeller Diameter: 40 mm</li><br/> <li>Impeller Thickness: 20 mm</li><br/> <li>Shank Diameter: 6 mm</li><br/> <li>Grit: 40</li><br/></ul>