<p>Split Lock Washer, Hi Collar, Steel, Finish Zinc, Fits Bolt Sizes M10, Inside Dia. 10.2mm, Outside Dia. 16mm, Thickness 2.5mm, Rockwell Hardness C38 to C46, Meets/Exceeds D7980, Package Quantity 100</p> <p><br /><b>Features</b></p> <ul> <li>Finish: zinc</li> <li>Inside Dia.: 10.2mm</li> <li>Item: Split Lock Washer</li> <li>Material: steel</li> <li>Outside Dia.: 16.0mm</li> <li>Type: Hi Collar</li> <li>Fits Bolt Sizes: M10</li> <li>Thickness: 2.5mm</li> <li>Meets/Exceeds: D7980</li> <li>Rockwell Hardness: C38 to C46</li> </ul> <p></p>