<h2><b>Product Overview</b></h2><ul><li><div>The 512E is designed with the patented EZ Lock™ system making accessory changes 6X faster than using a standard mandrel</div></li><li><div>Compatible with both EZ402 EZ Lock mandrel and standard 402 mandrel</div></li><li><div>Light sanding and tarnish removal - also great for car detailing and restoring door and window hardware</div></li><li><div>Compatible with all Dremel rotary tools</div></li></ul><div><div><h2>Technical specifications</h2></div></div><div><div><div><div>Application Sanding</div></div><div><div>Bit Diameter Inch&nbsp; 15/16"</div></div><div><div>Bit Diameter mm 23.8 mm</div></div><div><div>Description 512E EZ Lock Finishing Abrasive Buffs 320 Grit (2 Pack)</div></div></div><div><div><div>Max. Operating RPM Do not run in Excess of 15,000 RPM</div></div><div>Overall Length 0.5</div><div><div>Shank Diameter 0.125</div></div></div></div>