<p>Spring Lock Washer, Standard, A4 Stainless Steel, Fits Bolt Sizes M12, Inside Dia. 12.2mm, Outside Dia. 21.1mm, Thickness 2.5mm, Meets/Exceeds D127B, Package Quantity 25</p> <p><br /><b>Features</b></p> <ul> <li>Inside Dia.: 12.2mm</li> <li>Item: Spring Lock Washer</li> <li>Material: A4 Stainless Steel</li> <li>Outside Dia.: 21.1mm</li> <li>Type: Standard</li> <li>Fits Bolt Sizes: M12</li> <li>Thickness: 2.5mm</li> <li>Meets/Exceeds: D127B</li> </ul> <p></p>