Sure, here are some examples of how to use "to split hairs" in a sentence:

1. Don't split hairs over the formatting of your report - the most important thing is that the content is accurate and well-written.
2. I know we have different opinions about the best way to approach this project, but let's not split hairs - we need to find a solution that works for everyone.
3. The two candidates have very similar policies, so voters are splitting hairs over minor differences in their platforms.
4. I appreciate your attention to detail, but let's not split hairs over every little thing - we need to keep moving forward with the project.
5. We spent so much time splitting hairs over the color scheme for the website that we almost forgot to focus on the user experience.