The Hillman Group 3638 M7 Metric Spring Wave Washer， 25-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Have a "wave" in the axial direction， which provides spring pressure when compressed</li><li>Normally used in thrust- loading applications for small deflections</li><li>Steel/Zinc Plated</li><li>Quantity per pack: 25</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41yX27OAP3L.jpg" noproxy>