Package Contain: 1pcs Spring Collet <br>Due to manual measurement, and production, the batch is not the same, size, weight, color, there will be a certain error, error within 2% of the normal situation.<br><b>SOMETHING ABOUT US- Luomorgo have the customers satisfaction for their first priority. If you have any questions,please feel free to contact us by mail FIRST.we will offer our best service for you.</b>